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Kamis, 06 Oktober 2011

English Tenses Grammar


1. Simple Present Tense

How do we make the Simple Present Tense?

subject
+
auxiliary verb
+
main verb


do

base

There are three important exceptions:
  1. For positive sentences, we do not normally use the auxiliary.
  2. For the 3rd person singular (he, she, it), we add s to the main verb or es to the auxiliary.
  3. For the verb to be, we do not use an auxiliary, even for questions and negatives.
Look at these examples with the main verb like:

subject
auxiliary verb

main verb

+
I, you, we, they


like
coffee.
He, she, it


likes
coffee.
-
I, you, we, they
do
not
like
coffee.
He, she, it
does
not
like
coffee.
?
Do
I, you, we, they

like
coffee?
Does
he, she, it

like
coffee?
Look at these examples with the main verb be. Notice that there is no auxiliary:

subject
main verb


+
I
am

French.
You, we, they
are

French.
He, she, it
is

French.
-
I
am
not
old.
You, we, they
are
not
old.
He, she, it
is
not
old.
?
Am
I

late?
Are
you, we, they

late?
Is
he, she, it

late?

How do we use the Simple Present Tense?

We use the simple present tense when:
  • the action is general
  • the action happens all the time, or habitually, in the past, present and future
  • the action is not only happening now
  • the statement is always true
John drives a taxi.
past
present
future

It is John's job to drive a taxi. He does it every day. Past, present and future.
Look at these examples:
  • I live in New York.
  • The Moon goes round the Earth.
  • John drives a taxi.
  • He does not drive a bus.
  • We meet every Thursday.
  • We do not work at night.
  • Do you play football?
Note that with the verb to be, we can also use the simple present tense for situations that are not general. We can use the simple present tense to talk about now. Look at these examples of the verb "to be" in the simple present tense - some of them are general, some of them are now:
Am I right?
Tara is not at home.
You are happy.
past
present
future

The situation is now.
 
I am not fat.
Why are you so beautiful?
Ram is tall.
past
present
future

The situation is general. Past, present and future.

2. Present Continuous Tense

We often use the present continuous tense in English. It is very different from the simple present tense, both in structure and in use.
In this lesson we look the structure and use of the present continuous tense, followed by a quiz to check your understanding:

How do we make the Present Continuous Tense?

The structure of the present continuous tense is:
subject
+
auxiliary verb
+
main verb


be

base + ing
Look at these examples:

subject
auxiliary verb

main verb

+
I
am

speaking
to you.
+
You
are

reading
this.
-
She
is
not
staying
in London.
-
We
are
not
playing
football.
?
Is
he

watching
TV?
?
Are
they

waiting
for John?

3. Present Perfect Tense

The present perfect tense is a rather important tense in English, but it gives speakers of some languages a difficult time. That is because it uses concepts or ideas that do not exist in those languages. In fact, the structure of the present perfect tense is very simple. The problems come with the use of the tense. In addition, there are some differences in usage between British and American English.

How do we make the Present Perfect Tense?

The structure of the present perfect tense is:
subject
+
auxiliary verb
+
main verb


have

past participle
Here are some examples of the present perfect tense:

subject
auxiliary verb

main verb

+
I
have

seen
ET.
+
You
have

eaten
mine.
-
She
has
not
been
to Rome.
-
We
have
not
played
football.
?
Have
you

finished?

?
Have
they

done
it?

Contractions with the present perfect tense

When we use the present perfect tense in speaking, we usually contract the subject and auxiliary verb. We also sometimes do this when we write. 
I have
I've
You have
You've
He has
She has
It has
John has
The car has
He's
She's
It's
John's
The car's
We have
We've
They have
They've
Here are some examples:
  • I've finished my work.
  • John's seen ET.
  • They've gone home.
He's or he's??? Be careful! The 's contraction is used for the auxiliary verbs h

4. Present Perfect Continuous Tense

How do we make the Present Perfect Continuous Tense?

The structure of the present perfect continuous tense is:
subject
+
auxiliary verb
+
auxiliary verb
+
main verb


have
has

been

base + ing
Here are some examples of the present perfect continuous tense:

subject
auxiliary verb

auxiliary verb
main verb

+
I
have

been
waiting
for one hour.
+
You
have

been
talking
too much.
-
It
has
not
been
raining.

-
We
have
not
been
playing
football.
?
Have
you

been
seeing
her?
?
Have
they

been
doing
their homework?

Contractions

When we use the present perfect continuous tense in speaking, we often contract the subject and the first auxiliary. We also sometimes do this in informal writing.
I have been
I've been
You have been
You've been
He has been
She has been
It has been
John has been
The car has been
He's been
She's been
It's been
John's been
The car's been
We have been
We've been
They have been
They've been

Here are some examples:
  • I've been reading.
  • The car's been giving trouble.
  • We've been playing tennis for two hours.

How do we use the Present Perfect Continuous Tense?

This tense is called the present perfect continuous tense. There is usually a connection with the present or now. There are basically two uses for the present perfect continuous tense:

1. An action that has just stopped or recently stopped

We use the present perfect continuous tense to talk about an action that started in the past and stopped recently. There is usually a result now.
I'm tired because I've been running.
past
present
future

!!!

Recent action.
Result now.

  • I'm tired [now] because I've been running.
  • Why is the grass wet [now]? Has it been raining?
  • You don't understand [now] because you haven't been listening.

2. An action continuing up to now

We use the present perfect continuous tense to talk about an action that started in the past and is continuing now. This is often used with for or since.
I have been reading for 2 hours.
past
present
future


Action started in past.
Action is continuing now.

  • I have been reading for 2 hours. [I am still reading now.]
  • We've been studying since 9 o'clock. [We're still studying now.]
  • How long have you been learning English? [You are still learning now.]
  • We have not been smoking. [And we are not smoking now.]

For and Since with Present Perfect Continuous Tense

We often use for and since with the present perfect tense.
  • We use for to talk about a period of time - 5 minutes, 2 weeks, 6 years.
  • We use since to talk about a point in past time - 9 o'clock, 1st January, Monday.
for
since
a period of time
a point in past time

x

20 minutes
6.15pm
three days
Monday
6 months
January
4 years
1994
2 centuries
1800
a long time
I left school
ever
the beginning of time
etc
etc
Here are some examples:
  • I have been studying for 3 hours.
  • I have been watching TV since 7pm.
  • Tara hasn't been feeling well for 2 weeks.
  • Tara hasn't been visiting us since March.
  • He has been playing football for a long time.
  • He has been living in Bangkok since he left school.

5. Simple Past Tense

The simple past tense is sometimes called the preterite tense. We can use several tenses to talk about the past, but the simple past tense is the one we use most often.
In this lesson we look at the structure and use of the simple past tense, followed by a quiz to check your understanding:

How do we make the Simple Past Tense?

To make the simple past tense, we use:
  • past form only
    or
  • auxiliary did + base form
  • Here you can see examples of the past form and base form for irregular verbs and regular verbs:

V1
base
V2
past
V3
past participle

regular verb
work
explode
like
worked
exploded
liked
worked
exploded
liked
The past form for all regular verbs ends in -ed.
irregular verb
go
see
sing
went
saw
sang
gone
seen
sung
The past form for irregular verbs is variable. You need to learn it by heart.

You do not need the past participle form to make the simple past tense. It is shown here for completeness only.

The structure for positive sentences in the simple past tense is:
subject
+
main verb


past
The structure for negative sentences in the simple past tense is:
subject
+
auxiliary verb
+
not
+
main verb


did



base
The structure for question sentences in the simple past tense is:
auxiliary verb
+
subject
+
main verb
did



base
The auxiliary verb did is not conjugated. It is the same for all persons (I did, you did, he did etc). And the base form and past form do not change. Look at these examples with the main verbs go and work:

subject
auxiliary verb

main verb

+
I


went
to school.
You


worked
very hard.
-
She
did
not
go
with me.
We
did
not
work
yesterday.
?
Did
you

go
to London?
Did
they

work
at home?
Exception! The verb to be is different. We conjugate the verb to be (I was, you were, he/she/it was, we were, they were); and we do not use an auxiliary for negative and question sentences. To make a question, we exchange the subject and verb. Look at these examples:

subject
main verb


+
I, he/she/it
was

here.
You, we, they
were

in London.
-
I, he/she/it
was
not
there.
You, we, they
were
not
happy.
?
Was
I, he/she/it

right?
Were
you, we, they

late?
6. Past Continuous Tense
The past continuous tense is an important tense in English. We use it to say what we were in the middle of doing at a particular moment in the past.
In this lesson we look at the structure and the use of the past continuouse tense, followed by a quiz to check your understanding:

How do we make the Past Continuous Tense?

The structure of the past continuous tense is:
subject
+
auxiliary verb BE
+
main verb

conjugated in simple past tense

present participle
was
were
base + ing
For negative sentences in the past continuous tense, we insert not between the auxiliary verb and main verb. For question sentences, we exchange the subject and auxiliary verb. Look at these example sentences with the past continuous tense:

subject
auxiliary verb

main verb

+
I
was

watching
TV.
+
You
were

working
hard.
-
He, she, it
was
not
helping
Mary.
-
We
were
not
joking.

?
Were
you

being
silly?
?
Were
they

playing
football?

7. Past Perfect Tense

The past perfect tense is quite an easy tense to understand and to use. This tense talks about the "past in the past".
In this lesson we look at:
How do we make the Past Perfect Tense?
The structure of the past perfect tense is:
subject
+
auxiliary verb HAVE
+
main verb

conjugated in simple past tense

past participle
had
V3
For negative sentences in the past perfect tense, we insert not between the auxiliary verb and main verb. For question sentences, we exchange the subject and auxiliary verb. Look at these example sentences with the past perfect tense:

subject
auxiliary verb

main verb

+
I
had

finished
my work.
+
You
had

stopped
before me.
-
She
had
not
gone
to school.
-
We
had
not
left.

?
Had
you

arrived?

?
Had
they

eaten
dinner?
When speaking with the past perfect tense, we often contract the subject and auxiliary verb:
I had
I'd
you had
you'd
he had
she had
it had
he'd
she'd
it'd
we had
we'd
they had
they'd

 

8. Past Perfect Continuous Tense

How do we make the Past Perfect Continuous Tense?

The structure of the past perfect continuous tense is:
subject
+
auxiliary verb HAVE
+
auxiliary verb BE
+
main verb

conjugated in simple past tense

past participle

present participle
had
been
base + ing
For negative sentences in the past perfect continuous tense, we insert not after the first auxiliary verb. For question sentences, we exchange the subject and first auxiliary verb. Look at these example sentences with the past perfect continuous tense:

subject
auxiliary verb

auxiliary verb
main verb

+
I
had

been
working.

+
You
had

been
playing
tennis.
-
It
had
not
been
working
well.
-
We
had
not
been
expecting
her.
?
Had
you

been
drinking?

?
Had
they

been
waiting
long?
When speaking with the past perfect continuous tense, we often contract the subject and first auxiliary verb:
I had been
I'd been
you had been
you'd been
he had
she had been
it had been
he'd been
she'd been
it'd been
we had been
we'd been
they had been
they'd been

How do we use the Past Perfect Continuous Tense?

The past perfect continuous tense is like the past perfect tense, but it expresses longer actions in the past before another action in the past. For example:
  • Ram started waiting at 9am. I arrived at 11am. When I arrived, Ram had been waiting for two hours.
Ram had been waiting for two hours when I arrived.
past
present
future
Ram starts waiting in past at 9am.


9

11


I arrive in past at 11am.


Here are some more examples:
  • John was very tired. He had been running.
  • I could smell cigarettes. Somebody had been smoking.
  • Suddenly, my car broke down. I was not surprised. It had not been running well for a long time.
  • Had the pilot been drinking before the crash?
You can sometimes think of the past perfect continuous tense like the present perfect continuous tense, but instead of the time being now the time is past.
past perfect continuous tense

present perfect continuous tense
had |
been |
doing |
>>>> |
|
|
|
|


|
|
|
|
have |
been |
doing |
>>>> |




past
now
future

past
now
future
For example, imagine that you meet Ram at 11am. Ram says to you:
  • "I am angry. I have been waiting for two hours."
Later, you tell your friends:
  • "Ram was angry. He had been waiting for two hours."


9.   Simple Future Tense

The simple future tense is often called will, because we make the simple future tense with the modal auxiliary will.

How do we make the Simple Future Tense?

The structure of the simple future tense is:
subject
+
auxiliary verb WILL
+
main verb

invariable

base
will
V1
For negative sentences in the simple future tense, we insert not between the auxiliary verb and main verb. For question sentences, we exchange the subject and auxiliary verb. Look at these example sentences with the simple future tense:

subject
auxiliary verb

main verb

+
I
will

open
the door.
+
You
will

finish
before me.
-
She
will
not
be
at school tomorrow.
-
We
will
not
leave
yet.
?
Will
you

arrive
on time?
?
Will
they

want
dinner?
When we use the simple future tense in speaking, we often contract the subject and auxiliary verb:
I will
I'll
you will
you'll
he will
she will
it will
he'll
she'll
it'll
we will
we'll
they will
they'll
For negative sentences in the simple future tense, we contract with won't, like this:
I will not
I won't
you will not
you won't
he will not
she will not
it will not
he won't
she won't
it won't
we will not
we won't
they will not
they won't

How do we use the Simple Future Tense?

No Plan

We use the simple future tense when there is no plan or decision to do something before we speak. We make the decision spontaneously at the time of speaking. Look at these examples:
  • Hold on. I'll get a pen.
  • We will see what we can do to help you.
  • Maybe we'll stay in and watch television tonight.
In these examples, we had no firm plan before speaking. The decision is made at the time of speaking.
We often use the simple future tense with the verb to think before it:
  • I think I'll go to the gym tomorrow.
  • I think I will have a holiday next year.
  • I don't think I'll buy that car.

Prediction

We often use the simple future tense to make a prediction about the future. Again, there is no firm plan. We are saying what we think will happen. Here are some examples:
  • It will rain tomorrow.
  • People won't go to Jupiter before the 22nd century.
  • Who do you think will get the job?

Be

When the main verb is be, we can use the simple future tense even if we have a firm plan or decision before speaking. Examples:
  • I'll be in London tomorrow.
  • I'm going shopping. I won't be very long.
  • Will you be at work tomorrow?

10.  Future Continuous Tense

How do we make the Future Continuous Tense?

The structure of the future continuous tense is:
subject
+
auxiliary verb WILL
+
auxiliary verb BE
+
main verb

invariable

invariable

present participle
will
be
base + ing
For negative sentences in the future continuous tense, we insert not between will and be. For question sentences, we exchange the subject and will. Look at these example sentences with the future continuous tense:

subject
auxiliary verb

auxiliary verb
main verb

+
I
will

be
working
at 10am.
+
You
will

be
lying
on a beach tomorrow.
-
She
will
not
be
using
the car.
-
We
will
not
be
having
dinner at home.
?
Will
you

be
playing
football?
?
Will
they

be
watching
TV?
When we use the future continuous tense in speaking, we often contract the subject and will:
I will
I'll
you will
you'll
he will
she will
it will
he'll
she'll
it'll
we will
we'll
they will
they'll

For spoken negative sentences in the future continuous tense, we contract with won't, like this:
I will not
I won't
you will not
you won't
he will not
she will not
it will not
he won't
she won't
it won't
we will not
we won't
they will not
they won't

11.  Future Perfect Tense

The future perfect tense is quite an easy tense to understand and use. The future perfect tense talks about the past in the future.

How do we make the Future Perfect Tense?

The structure of the future perfect tense is:
subject
+
auxiliary verb WILL
+
auxiliary verb HAVE
+
main verb

invariable

invariable

past participle
will
have
V3
Look at these example sentences in the future perfect tense:

subject
auxiliary verb

auxiliary verb
main verb

+
I
will

have
finished
by 10am.
+
You
will

have
forgotten
me by then.
-
She
will
not
have
gone
to school.
-
We
will
not
have
left.

?
Will
you

have
arrived?

?
Will
they

have
received
it?
In speaking with the future perfect tense, we often contract the subject and will. Sometimes, we contract the subject, will and have all together:
I will have
I'll have
I'll've
you will have
you'll have
you'll've
he will have
she will have
it will have
he'll have
she'll have
it'll have
he'll've
she'll've
it'll've
we will have
we'll have
we'll've
they will have
they'll have
they'll've

 12. Future Perfect Continuous Tense

How do we make the Future Perfect Continuous Tense?

The structure of the future perfect continuous tense is:
subject
+
auxiliary verb WILL
+
auxiliary verb HAVE
+
auxiliary verb BE
+
main verb

invariable

invariable

past participle

present participle
will
have
been
base + ing
For negative sentences in the future perfect continuous tense, we insert not between will and have. For question sentences, we exchange the subject and will. Look at these example sentences with the future perfect continuous tense:

subject
auxiliary verb

auxiliary verb
auxiliary verb
main verb

+
I
will

have
been
working
for four hours.
+
You
will

have
been
travelling
for two days.
-
She
will
not
have
been
using
the car.
-
We
will
not
have
been
waiting
long.
?
Will
you

have
been
playing
football?
?
Will
they

have
been
watching
TV?
When we use the future perfect continuous tense in speaking, we often contract the subject and auxiliary verb:
I will
I'll
you will
you'll
he will
she will
it will
he'll
she'll
it'll
we will
we'll
they will
they'll
For negative sentences in the future perfect continuous tense, we contract with won't, like this:
I will not
I won't
you will not
you won't
he will not
she will not
it will not
he won't
she won't
it won't
we will not
we won't
they will not
they won't

How do we use the Future Perfect Continuous Tense?

We use the future perfect continuous tense to talk about a long action before some point in the future. Look at these examples:
  • I will have been working here for ten years next week.
  • He will be tired when he arrives. He will have been travelling for 24 hours.

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