1.My grandfather built this house in 1943. _________________________________________________ 2.I finished my exercise last night. ________________________________________________________ 3.Someone broke into Johns house 2 days ago. ____________________________________________ 4.Students played online educational games in the classroom. ______________________________ 5.Lisa made a cake. _____________________________________________________________________ 6.People cut down a large area of forest in the past. _______________________________________

Công thức các thì - bị động 

Thì quá khứ đơn:

(+) S + was/were + V3/ed

(-)  S + was/were + not + V3/ed

(?) Was/Were + S +V3? 

place + by O + time 

Các chủ ngữ như he, she, it, we, you ,they ,someone, anyone, .... sẽ được bỏ khi chuyển xuống thành by O 

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1. This house was built by my grandfather in 1943.

2. My exercise was finished last night.

3. John's house was broken into 2 days ago.

4. Online educational games were played in the classroom by students.

5. A cake was made by Lisa.

6. A large of area of forest was cut down in the past.

#STMIN