=>

1. The house is cleaned by Tom every week.

-> bị động HTĐ is/am/are V3/ed

2. The garbage is collected by him every day.

-> bị động HTĐ is/am/are V3/ed

3. Grass was cut by Mrs. White yesterday.

-> bị động QKĐ was/were V3/ed

4. The bridge has been built for 2 years.

-> bị động HTHT have/has been V3/ed

5. The beach has been cleaned since last Sunday.

-> bị động HTHT have/has been V3/ed

6. Her house has been decorated since last week.

-> bị động HTHT have/has been V3/ed

7. A new school is going to be built near here.

-> bị động is/am/are going to be V3/ed

8. The meeting will be held tonight.

-> bị động will be V3/ed

9. This Math question can be answered by Lan.

-> bị động can be V3/ed

10. This box wasn't opened.

-> bị động QKĐ was/were (not) V3/ed

1. The house is cleaned by Tom every week

2. The garbage is collected by him every day

3. Grass was cut by Mrs. White yesterday

4. The bridge has been built for 2 years

5. The beach has been cleaned since last Sunday

6. Her house has been decorated by her for since last week

7. A new school are going to be built near here

8. The meeting will be hold tonight

9. This Math question can be answered by Lan

20. This box wasn't opened 

*Cấu trúc bị động:

QKĐ: S + was/ were + PP + (by O)

HTĐ: S + am/ is/ are + PP + (by O)

HTTD: S + am/ is/ are + being + PP + (by O)

HTHT: S + have/ has + been + PP+ (by O)

TLĐ: S + will be + PP + (by O)

S + modal verb + be + V3 (+ by O)