giúp tớ với tớ cần gấp lắmm

Type 1: 

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

--> S + last + V2/ed 

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

--> 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 ?

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

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12. A

áp dụng type 1

13. B

áp dụng type 1

14. C

áp dụng type 3

15. B

áp dụng type 1

16. B

áp dụng type 3

17. B

áp dụng type 1

18. C 

áp dụng type 2

19. B

áp dụng type 1

20. B

áp dụng type 1

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