. Passive voice: BỊ ĐỘNG
I/ Simple present tense
( Chủ động ( A) ) S + V1 /V -es /s + O

( Bị động)(P ) S + is /am are + p.p + by + O
II/ Simple past tense :
(A ) S + V-ed /V2 + O +

(P ) S +was /were + p.p + by + O
III / Modal verbs : Will / shall /can / could /must/ should /may / might / have to / used to / be going to
(A ) S + Modal verb + V1 + by O

(P ) S + Modal verb +be +p.p + by + O
IV / Present perfect tense :
( A ) S + have /has +p.p + O

( P ) S + have / has + been + p.p + by O
EXERCISES:
I- Change sentences into the present passive:
1- People wash the used plastic bottles with water.
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2- They always listen to music in the morning.
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3- The students often play sports everyday.
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4- I never drink coffee for dinner.
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5- People reuse used paper to make shopping bags.
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6- People also use the recycled plastic to make toys.
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7- They use milk for making butter and cheese.
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8- The man brings bottles of milk to my house.
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9- People speak English all over the world.
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10- They don’t use this house very often.
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11- Do they teach French in this school?
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12- They make a lot of beautiful toys from recycled plastic.
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II-Change sentences into the passive (Present simple):
1- Mr Hai delivers the letters everyday.
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2-The children often buy the tickets at the box office.
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3- They usually finish their homework before bed time.
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4-The teacher corrects our exercises today.
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5- We often watch the shows of music on TV .
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6- We do a written test today.
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7- Everyone always see the Picasso’s exhibition .
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8- The workers clean the streets everyday.
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9- Careless driving causes many accidents.
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10- Weeds cover the river bank.
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III- Change sentences into the passive ( Past simple)
1- Mrs Allen wrote that novel in 1998.
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2- Nam borrowed the reference book from the shelf yesterday.
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3-The boy ate two loaves of bread last sunday.
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4- He left the letter on the desk some minutes ago.
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5- My mother bought a new bike for me last month.
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6- Our form teacher returned our written test to us last lesson.
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7- The Chinese invented paper in the century A.D.
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7- Vietnamese planted trees in their neighborhood a year ago.
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8- The children played games yesterday.
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9- My sister did the housework yesterday.
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10- The publisher published his book in 1996.
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