Giúp mik giải phần này đi mnಥ‿ಥ

Đáp án:

2. We haven't seen our grandfather for two years.

3. This is the first time I have read such a romantic story.

4. My father hasn't seen my uncle for nearly twenty years.

5. It's over 20 years since he last came back to his village.

6. Đề sai 

7. We haven't gone to a cinema for two years.

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Các công thức đổi HTHT - QKĐ

Type 1: 

S + has/have + not + V3/ed + for/since + time 

--> S + last + V2/ed 

--> The last time + S+ V2/ed + was + time + ago

--> It is / has been + time + since + S+ (last) + V2/ed 

Type 2: 

How long + has/have + S+ V3/ed?

--> When + did + S + V1?

--> How long is it + since + S+ V2/ed ?

--> How long ago + did + S + start / begin + to V / Ving? 

Type 3:

S + has/have + V3/ed + for/since + time 

--> S + started / began + to V / Ving 

--> It is / has been + time + since + S+ V2/ed 

Type 4: 

S + has/have + not/never + V3/ed + ... before

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

Type 5:

When + did + S + last + V1?

--> When + was the last time + S + V2/ed?