Study
this chart that shows how to change active sentences into passive
sentences: Now it's time to
practice!
PRESENT/FUTURE MODALS
The
passive form follows this pattern:
modal + be + past
participle
Active:
Passive:
WILL / WON'T (WILL
NOT)
Sharon will
invite Tom to the party.
Sharon won't
invite Jeff to the party. (Sharon will not invite
Jeff to the party.)
WILL / WON'T (WILL
NOT)
Tom will
beinvited to the party by Sharon.
Jeff won't
beinvited to the party by Sharon.
(Jeff will not
be invited to the party by
Sharon.)
1. The cat will catch the
mouse.
2. The dog won't catch the
cat.
Active:
Passive:
CAN / CAN'T (CAN
NOT)
Mai can foretell
the future.
Terry can't
foretell the future. (Terry can not foretell
the future.)
CAN / CAN'T (CAN
NOT)
The future can
be foretold by Mai.
The future
can't be foretold by Terry. (The future can not
beforetold by
Terry.)
3. Scientists can explain
many things.
4. Scientists can't
explain the Nazca lines.
Active:
Passive:
MAY / MAY NOT
and
MIGHT / MIGHT
NOT
That firm may
offer Katya a new job.
That firm might
offer Katya a new job.
The students may not
do the homework. The students might not do
the homework.
MAY / MAY
NOT and
MIGHT / MIGHT
NOT
Katya may
beoffered a new job by that firm.
Katya might be
offered a new job by that firm. The homework may not be
done by them. The homework might not bedone by the
them.
5. The students may write
the compositions in pencil.
6. The company might hire
ten new employees.
7. The company may not
give Kelly a raise this year.
8. The parents might not
tell the children that their dog died.
Active:
Passive:
SHOULD /
SHOULDN'T
Students should
memorize English verbs. Children shouldn't smoke
cigarettes.
SHOULD /
SHOULDN'T
English verbs should
be memorized by students. Cigarettes shouldn't be
smoked by children.
9. Parents should give
children a lot of love.
10. Parents should not
hurt children.
Active:
Passive:
OUGHT
TO
Students ought to learn English verbs.
(negative ought
to is rarely used)
OUGHT
TO
English verbs ought to be memorized by
students
11. Children ought to
respect parents.
Active:
Passive:
HAS TO / DOESN'T HAVE
TO and
HAVE TO / DON'T HAVE
TO
She has to
practice English every day.
Maria doesn't have
to clean her bedroom today.
Sara and Miho have
to wash the dishes today. The kids don't have to
clean their rooms today.
HAS TO / DOESN'T HAVE
TO and
HAVE TO / DON'T HAVE
TO
English has to
be practiced every day.
Her bedroom
doesn't have to becleaned
today.
The dishes
have to be washed by them today.
Their rooms
don't have to becleaned
today.
12. She has to do her
homework.
13. He doesn't have to
bake Andy's birthday cake.
14. They have to clean
their bedrooms.
15. They don't have to put
away those books.
Active:
Passive:
BE SUPPOSED
TO
I am supposed to
type the essay.
I am not supposed to
copy the stories.
Jan is supposed to
clean the living room.
She isn't supposed
to eat steal things!
Frank and Jane are
supposed to make dinner. They aren't supposed to
make dessert.
BE SUPPOSED
TO
The essay is
supposed to be typed by me.
The stories are not
supposed to be copied.
The kitchen is
supposed to be cleaned by Jan.
Things aren't
supposed to be stolen!
Dinner is supposed
to be made by them. Dessert isn't supposed to be
made by them.
16. I am supposed to buy
some groceries.
17. I am not supposed to
bake her birthday cake.
18. Barry is supposed to
clean the bathroom.
19. Barry is not supposed
to clean the kitchen.
20. Jack and Jill are
supposed to cook breakfast.
21. The students are
supposed to study the stories in the book.
22. The students are not
supposed to copy the stories in the book.
PAST MODALS The past
passive form follows this pattern: modal + have
been + past participle
Active:
Passive:
SHOULD HAVE / SHOULDN'T
HAVE
The students should
have learned the verbs. The children shouldn't have
broken the window.
SHOULD HAVE / SHOULDN'T
HAVE
The verbs should
have been learned by them. The window shouldn't have
beenbroken by
them.
23. They should have
practiced the vocabulary words.
24. They should not have
wasted their time.
Active:
Passive:
OUGHT
TO
The students ought to have learned the
verbs. (negative ought to is rarely
used)
OUGHT
TO
The verbs ought to have been
learned.
25. They ought to have
called their parents.
Active:
Passive:
BE SUPPOSED
TO
I was supposed to
type the composition.
I wasn't supposed to
copy the story.
Janet was supposed
to clean the living room.
She wasn't supposed
to eat those.
Frank and Jane were
supposed to make dinner. They weren't supposed to
make dessert.
BE SUPPOSED
TO
The composition
was supposed to betyped.
The story
wasn't supposed to becopied.
The living room
was supposed to becleaned.
Those weren't
supposed to beeaten by her.
Dinner was
supposed to bemade by them.
Dessert wasn't
supposed to bemade by
them.
26. I was supposed to
clean the house.
27. I wasn't supposed to
clean the office.
28. Barry and Alice were
supposed to clean their bedrooms.
29. The children weren't
supposed to eat the candy.
Active:
Passive:
MAY / MAY NOT
and
MIGHT / MIGHT
NOT
That firm may have
offered Katya a new job.
That firm might have
offered Katya a new job.
The students may not
have written the paper. The students might not have
written the paper.
MAY / MAY NOT
and
MIGHT / MIGHT
NOT
Katya may have
beenoffered a new job. Katya might have been
offered a new job. The paper may not have been
written by them. The paper might not have
beenwritten by
them.
30. The students may have
written the compositions in pencil.
31. Lynn may not have
asked that question.
32. The students might
have finished the assignment.