passive form

THE PASSIVE FORM
A/ FORM :
Ex: My house was built by my father.
S + Be + P.P + O (agent)
B/ Passive Transformation
Active
Passive
1 /The present simple tense:
Active: S +V(es ,s) +O + place + time .
S + is /am/are +P.P(ed,III) +place +by O +time.
Ex: My mother cleans this room everyday.
This room is cleaned by mother everyday.

2 / The present progressise tense:

Ex: They are building a new swimming-pool
A new swimming-pool are being built (by them)
3 / The present perfect tense:

Ex: They have the discovered oil at the North Pole
Oil has been discovered at the North Pole (by them)
4 / The past simple tense:
Ex: Lan and her pen pal visited many beautiful place in Ha Noi.
Many beautiful place were visited in Ha Noi by Lan and her pen
pal.
5 / The past progressive tense.
S + BE + P.P +( by + agent )
S + V + O
S + Be + P.P +by + agent
Active: S + IS /AM /ARE + V-ing + O
Passive: S + IS /AM /ARE + BE-ing + P.P +by(…)

Active: S + have /has +P.P + O
Passive: S +have /has +been + p.p +by (…)
Active: S + V(ed,II) + O
Passive: S + was /were +P.P +by (…)
Ex: They washed our clothes with a new detergent.
Our clothes were washed with anew detergent.
6 / The past perfect tense.
Ex: They had destroyed all the documents when we arrived.
All the documents had been detroyed when we arrived.
7 / The future simple tense.
Ex: The Queen will open the new hospital.
The new hospital will be opened by the Queen.
8 / Be going to.

Ex: They are going to bake the bread.
The bread is going to be baked.
9 / Modal verbs. Can, could, should, may,might,would, ought to,have
to, must, had to
Ex: The children must go to the school.
The school must be gone to by the children.
10 / Lưu ý:
Các chủ ngữ là : I ,You ,He ,She ,It ,We ,They ,People
,Someone, Somebody,trong câu chủ động thường được bỏ,không
dùng trong câu bò động.
Ex: Someone left this purse in a classroom.
This purse was left in a classroom.
Active: S + was / were +V-ing +O
Passive: S + was / were + being + P.P +by(….)
Active: S + had + P.P +O
Passive: S + had +been + P.P + by(….)

Active: S + will + V + O
Passive: S + will + be +P.P +by (…)
Active: S + be going to +V + O
Passive: S + be going to + be +P.P + by (…)
Active: S + modal verbs + V + O
Passive: S + modal verbs + be + P.P
A / Trang từ chỉ cách thức thường đứng giữa be và Quá khứ
phân từ.
Ex: The scientists have studied the problem carefully
The problem has been carefully studied by the scientists
B / Trạng từ hoặc cụm trạng từ chỉ nơi chốn đứng trước (by
agent )
Ex: The Police found him in the forest.
He was found in the forest by the police.
C / Trạng từ hoặc cụm trạng từ chỉ thời gian đứng sau ( by
agent)
Ex: Alexander G. Bell invented the telephone in 1876
The telephone was invented by Alexander G. Bell in 1876