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Ex3/
1. My purse was stolen when I was doing the shopping.
2. My mistakes weren't noticed by my teacher.
Bị động QKĐ : S was/were (not) V3/ed (by O)
Ex4/
1. The gate of the house was being painted by Martin when we came to visit him.
2. Housework was being done by my mother at 5 p.m yesterday.
Bị động QKTD : S was/were being V3/ed (by O)
Ex5/
1. Several equipments have been bought by the factory lately. (đề hơi vô lý, equipment là danh từ không đếm được ~ Several equipment has been bought)
2. My handbag has been taken.
Bị động HTHT : S have/has been V3/ed (by O)
Ex6/
1. Hanoi will be visited next week.
2. The fairy tale is going to be read (by her) tonight.
3. A new school is going to be built near my house.
4. My homework will be done soon.
Bị động : S will be V3/ed (by O)
S is/am/are going to be V3/ed (by O)