2011年12月22日星期四

Past Tense 過去式


Simple Past Tense
We use the simple past tense to talk about an action or a situation - an event - in the past.

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

regular verb
work
like
worked
liked
The past form for all regular verbs ends in -ed.
irregular verb
go
see
sing
went
saw
sang
The past form for irregular verbs is variable. You need to learn it by heart.
Example:
1.          I went to school yesterday.
2.          I saw a movie last night.
3.          My mother came to see me last month.
4.          I ate three apples this morning.
5.          He was happy yesterday.
Exericse:
1.          I _____________ (live) in that house when I __________ (be) young.
2.          He _________ not ___________ (do / like) the movie.
3.          What _____ you _________ (do / eat) for dinner?
4.          John _________ (drive) to London on Monday.
5.          Mary _________ not ________ (do / need) to work yesterday.
6.          _________ you ___________ (Do / play) tennis last week?
7.          I ________ (be) at work yesterday.
8.          __________ (Are) you angry?
9.          She _____ (be) such a nice girl.
10.      I ____________ (meet) your son last month.
11.      I __________ (eat) three apples this morning.
12.      He ________ (go) to church to pray last night.
13.      I _________ (see) a movie yesterday.
14.      Last year, I ___________ (travel) to Japan.
15.      She _____________ (wash) her car.
16.      He _________ not _________ (do/wash) his car
  


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 andwork:

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?

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