CHUYÊN ĐỀ: PASSIVE VOICE
(THỂ BỊ ĐỘNG)
I. Cách chuyển từ câu chủ động sang câu bị động:
Active: Chủ động
S + V + O
S + be* + P.P + by + O
(* be chia theo thì của V)
Passive: Bị động
Ex: They are painting the house.
→ The house is being painted.
They had destroyed all the documents when we arrived.
→ All the documents had been destroyed when we arrived.
II. Thay đổi hình thức động từ cụ thể trong từng thì:
TENSES
ACTIVE
PASSIVE
Simple Present
S + V1-s/es
S + am / is / are + PP
Present continuous
S + am / is / are + V-ing
S + am / is / are + being + PP
Simple Past
S + V-ed /V
2
S + was / were + PP
Past continuous
S + was / were + V-ing
S + was / were + being + PP
Present Perfect
S + have / has + PP
S + have / has + been + PP
Past Perfect
S + had + PP
S + had + been + PP
Simple Future
S + will + V
1
S + will + be + PP
Modal verbs
can
may
must
S + have to + V1
should
used to
be going to
can
may
must
S + have to + be + V3
should
used to
be going to
Ex:
1. John delivers the newspapers every morning.
The newspapers are delivered by John every morning.
2. My mother wrote that letter.
That letter was written by my mother.
3. They will build a new school here next month.
A new school will be built here next month.
4. He is asking me a lot of questions.
I am being asked a lot of questions.
5. She was doing her homework at that time.
Her homework was being done at that time.
6. My mother has made that cake.
That cake has been made by my mother.
7. They had prepared a party before we came.
A party had been prepared before we came.
8. Sue is going to write the book
The book is going to be written by Sue
9. You must finish this report
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