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`41` We haven't talked to her for `2` months .

`-` S + have/has + not + V3/V_ed + O ... : Ai đó đã không làm gì trong bao lâu ...

`42` This is the first time she has eaten this kind of food .

`-` This is the first time + S + have/has + V3/V_ed + O : Đây là lần đầu ai đó làm gì .

`43` These house have been designed by Mr.Smith since `2000` .

`-` Bị động hiện tại hoàn thành : S(bị động) + have/has + been + V3/V_ed + O ...

`44` I spent only `30` minutes completing all the weekend work .

`-` spend + time + V_ing : dành thời gian làm gì .

`45` He is interested in taking part in the music club .

`-` be interested in + V_ing : thích làm gì .

41. We haven’t talked to her for about 2 months.

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 

42. This is the first time she has ever eaten this kind of food.

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

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

43. These houses have been designed by Mr. Smith since 2000.

S + has/have + been  +V3/ed (bị động - thì HTHT)

44. I spent 30 minutes completing all the weekend work.

S + spend(s) / spent + time + Ving: ai dành bao nhiêu thời gian để làm gì 

45. He is interested in taking part in the music club.

be interested in + Ving: thích 

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