Giúp mình với,cảm ơn

EX1:

1. I didn't remember to bring my wallet.

forget: quên >< remember: nhớ 

2. This is the first time I have visited London.

This / It is the first time + S+ has/have +V3/ed 

3. You mustn't exceed the speed limit. 

mustn't + V1: không được làm gì (bắt buộc)

4. A new school is being built in the village.

S + am/is/are + being + V3/ed: bị động - HTTD 

5. It is difficult for him to take the science course.

It's + ADJ + (for O) + to V 

6. I'd rather you didn't mention this problem this evening.

I'd rather +S + V2/ed 

7. The faster you drive, the more dangerous it will be. 

The + short-adv + ER + S+ V, the more + long-adj + S + be : ss kép 

8. Because of his carelessness, we were penalized by a penalty kick.

Because of + N/Np/Ving, clause: bởi vì 

EX2:

1. There is a possibility of rain tonight.

a possibility of N : có khả năng

2. Was it necessary for you to say that?

Be + S + ADJ + (for O) + to V ?

3. You'd better get some rest yourself.

had better + V1: nên làm gì 

4. We may not be back until tomorrow night. 

may + V1: có thể, có lẽ 

5. It's possible for him to finish his studies next year.

It's +ADJ + (for O) + to V 

6. Don't leave the tap drip or you will waste water.

Don't V1 /V1 or + clause: hay / hoặc

7. The weather was so awful so we didn't enjoy the day.

Clause + so + clause: vì vậy