Giúp mình với ạ!!!!!!!!

III

1. I hadn't broken the vase last night

2. he hadn't told the truth

3. the road hadn't been flooded

4. he didn't drink too much

5. I could speak Chinese

IV

1. am always given proper encouragement by parents

2. is used to do that job nowadays

3. is spoken in almost every corner of the world

4. car is being repaired by the mechanic

5. was shown on television

6. must be done before class

7. His question can't be answered by anyone

8. has just been sent a greeting card by him

9. has completely been changed by science and technology

10. hasn't been cleaned for weeks