`39` We haven't met him for ages.

`-` It's + khoảng thời gian + since + S + last + V2/ed

`->` S + have/has + not + V3/ed + for + khoảng thời gian

`=>` Ai đó đã không làm gì trong bao lâu.

`40` Although I worked until midnight, I didn't feel tired.

`-` In spite of + N/Ving, S + V: Mặc dù

`->` Although + S + V, S + V: Mặc dù

`=>` Hai vế đối lập

`41` More and more pollution is being produced by that factory.

`-` HTTD: S + am/is/are + Ving

`->` Bị động: S + am/is/are + V3/ed + (by O)

`42` He is such a careless driver that he usually has accidents.

`-` S + be + such + (a/an) + adj + N + that + S + V

`43` He started collecting stamps three years ago.

`-` S + have/has + been + Ving + for + khoảng thời gian

`->` S + started/began + Ving + thời gian + ago

`-` Ai đó đã làm gì được bao lâu 

38. I am fed up with doing this work.

be fed up with + Ving: chán nản 

39. We haven't met him for ages.

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

40. Although I worked until midnight, I didn't feel tired.

Although + clause, clause: mặc dù

41. More and more pollution is being produced by that factory.

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

42. He is such a careless driver that he usually has accidents.

S + be + such + (a/an) + ADJ + N  +that + clause: quá ... đến nỗi

43. He started collecting stamps three years ago.

S + started / began + to V / Ving + time 

`color{orange}{~MiaMB~}`