Change
the verbs in these sentences (a) to the past tense, (b) to the future tense,
and (c) to the perfect present tense. Study the example carefully.
1.
I spend my money. (FROM EXAMPLE)
(a)
I spent
my money.
(b)
I will
spend my money.
(c)
I have
spent my money.
2.
They use that one.
(a)
They used
that one.
(b)
They will
use that one.
(c)
They have
used that one.
3.
We study English together.
(a) We studied
English together.
(b) We will
study English together.
(c) We have
studied English together.
4.
They discuss their work.
(a)
They discussed
their work.
(b)
They will
discuss their work.
(c)
They have
discussed their work.
5.
They have enough time.
(a)
They had
enough time.
(b)
They will
have enough time.
(c)
They have
had enough time.
6.
I do all of the lessons.
(a)
I did
all of the lessons.
(b)
I will do
all of the lessons.
(c)
I have done
all of the lessons.
7.
He sits in that row.
(a)
He sat
in that row.
(b)
He will
sit in that row.
(c)
He has
sat in that row.
8.
I drive my car.
(a)
I drove
my car.
(b)
I will drive
my car.
(c)
I have driven
my car.
9.
She hides her money.
(a)
She hid
her money.
(b)
She will
hide her money.
(c)
She has
hidden her money.
10. We go
to school.
(a)
We went
to school.
(b)
We will
go to school.
(c)
We have
gone to school.
11. He
takes much time.
(a)
He took
much time.
(b)
He will
take much time.
(c)
He has
taken much time.
12. Does
he eat there? (FROM EXAMPLE)
(a)
Did he eat there?
(b)
Will he eat there?
(c)
Has he eaten there?
13. Do
you enjoy that work?
(a)
Did you enjoy that work?
(b)
Will you enjoy that work?
(c)
Have you enjoyed that work?
14. Does
he write many letters?
(a)
Did he write many letters?
(b)
Will he write many letters?
(c)
Has he written many letters?
15. Do
you send money letters?
(a)
Did you send money letters?
(b)
Will you send money letters?
(c)
Have you sent money letters?
16. Do
they explain everything?
(a)
Did they
explain everything?
(b)
Will they
explain everything?
(c)
Have they
explained everything?
17. Does
she attend that class?
(a)
Did she attend that class?
(b)
Will she attend that class?
(c)
Has she attended that class?
18. Do
you have enough time?
(a)
Did you have enough time?
(b)
Will you have enough time?
(c)
Have you had enough time?
19. Do
they copy the sentences?
(a)
Did they
copy the sentences?
(b)
Will they
copy the sentences?
(c)
Have they
copied the sentences?
20. Does
she have much trouble?
(a)
Did she have much trouble?
(b)
Will she have much trouble?
(c)
Has she had much trouble?
21. Does
she do good work?
(a)
Did she do good work?
(b)
Will she do good work?
(c)
Has she done good work?
22. Do
the students practice?
(a)
Did the
students practice?
(b)
Will the
students practice?
(c)
Have the
students practiced?
23. I
don’t stay there. (FROM EXAMPLE)
(a)
I didn’t
stay there.
(b)
I won’t
stay there.
(c)
I haven’t
stayed there.
24. He
doesn’t work hard.
(a)
He didn’t
work hard.
(b)
He won’t
work hard.
(c)
He hasn’t
worked hard.
25. I
don’t have any energy.
(a)
I didn’t
have any energy.
(b)
I won’t
have any energy.
(c)
I haven’t
had any energy.
26. He
doesn’t pay his bills.
(a)
He didn’t
pay his bills.
(b)
He won’t
pay his bills.
(c)
He hasn’t
paid his bills.
27. We
don’t see that fellow.
(a)
We didn’t
see that fellow.
(b)
We won’t
see that fellow.
(c)
We haven’t
seen that fellow.
28. She
doesn’t use this one.
(a)
She didn’t
use this one.
(b)
She won’t
use this one.
(c)
She hasn’t
used this one.
29. They
don’t remember it.
(a)
They didn’t
remember it.
(b)
They won’t
remember it.
(c)
They haven’t
remembered it.
30. I
don’t do much work here.
(a)
I didn’t
do much work here.
(b)
I won’t
do much work here.
(c)
I haven’t
done much work here.
31. He
doesn’t listen carefully.
(a)
He didn’t
listen carefully.
(b)
He won’t
listen carefully.
(c)
He has’t
listened carefully.
Write
the correct form of the verb in parentheses in each sentence. Use only the
perfect present tense. Check your answer with the list of irregular verbs in
the appendix.
1.
Mr. Harris taught English at this school for five years.
2.
I (write) three or four letters to that
company.
I have
written three or four letters to that company.
3.
The students in this class (do) those two
lessons already.
The students in this class have done those two lessons
already.
4.
I (know) Professor Moore for more than twelve
years.
I have
known Professor Moore for more than twelve years.
5.
Richard (take) three courses in English at
this school.
Richard has
taken three courses in English at this school.
6.
These steps are dangerous. I (fall) on them
several times.
These steps are dangerous. I have fallen on them several
times.
7.
Mr. Kramer (be) in United Sates for three
years.
Mr. Kramer has been in United Sates for three years.
8.
The janitor (shut, already) the back door.
The janitor has shut already the back door.
9.
The students (read) all of the stories in that
book.
The students have read all of the stories in that book.
10. Marjorie
(choose) a pretty dress for the party.
Marjorie has
chosen a pretty dress for the party.
11. I
(speak) to my boss about the problems several times.
I have
spoken to my boss about the problems several times.
12. That
tree (grow) at least five feet since last year.
That tree has
grown at least five feet since last year.
13. Miss
King (spend) over eighteen hundred dollars since May.
Miss King has
spent over eighteen hundred dollars since May.
14. Mr.
and Mrs. Smith (buy) a new house in North Plains.
Mr. and Mrs. Smith have bought a new house in North Plains.
15. The
real estate agent (sell) the Smith’s old house.
The real estate agent has sold the Smith’s old house.
16. Charles
(have) a bad cold for a whole week.
Charles has
had a bad cold for a whole week.
17. I’m
sorry. I (forget) the name of that book.
I’m sorry. I have forgotten the name of that book.
18. We
(hear, already) that new song several times.
We have
heard already that new song several times.
19. Mr.
Wilson isn’t here. He (go) out of town for the weekend.
Mr. Wilson isn’t here. He has gone out of town for the weekend.
20. Mr.
Kennedy (wear) his blue suit to the office only twice.
Mr. Kennedy has worn his blue suit to the office only twice.
21. I
(sit) in this same seat since the first day of classes.
I have
sat in this same seat since the first day of classes.
22. The
money isn’t in this drawer. Someone (steal) it!
The money isn’t in this drawer. Someone has stolen it!
23. Up to
now, I (understand) every lesson in the book.
Up to now, I have understood every lesson in the book.
24. We
(have) absolutely no trouble with our car so far.
We have
had absolutely no trouble with our car so far.
25. No
one (find) that girl’s purse and gloves yet.
No one has
found that girl’s purse and gloves yet.
26. The
weather (be) very warm ever since last Thursday.
The weather has been very warm ever since last Thursday.
27. Mr.
Anderson and Mr. Brown (have) lunch already.
Mr. Anderson and Mr. Brown have had lunch already.
28. I
(see) the Empire State Building hundreds of times.
I have
seen the Empire State Building hundreds of times.
29. We
(speak, already) to the director and (give) him the message.
We have
spoken already to the director and
have given him the message.
30. Grandmother
(fly, never) in an airplane before.
Grandmother has flown never in an airplane before.
31. You
(tear) your shirt! There’s a hole in the left sleeve.
You have
torn your shirt! There’s a hole in the left sleeve.
32. I
(already) the customer’s letter and (write) a reply to him.
I have
already the customer’s letter and have
written a reply to him.