`41.`

$\text{Form:}$

`+)` If not `=` Unless

`+)` If + S + V(HTĐ) + adv/O, S + will + V(inf) + adv/O

`->` Unless you try to work hard, you will fail the exam.

`42.`

$\text{Form:}$

`+)` S + wish + S + V(lùi thì) + adv/O

`->` I wish I could speak Korean well.

`43.`

$\text{Form:}$

`+)` S + said + that + S + V(lùi thì) + adv/O

`->` She said she was going to Ho Chi Minh city the following week.

`44.`

$\text{Form:}$

`+)` be interested in + doing sth

`->` My sister is interested in walking in the rain.

`45.`

$\text{Form:}$

`+)` S + have/get + N + V(PII) + (by O)

`->` My father is having fixed his car by the mechanic tomorrow.

`46.`

$\text{Form:}$

`+)` S + stared + V-ing + time + ago

`=` S + have/has + V(ed/PII) + for + time

`->` Phong has studied English for 6 years.

`47.`

$\text{Form:}$

`+)` Who thay thế cho N chỉ người

`->` The woman who helped me last week was very kind.

`48.`

$\text{Form:}$

`+)` S + be + too + adj + for sb + to do sth

`->` The film is too long for them to broadcast on one night.

`49.`

$\text{Form:}$

`+)` S + put up with + sth

`->` Paul can't put up with the noise of the traffic anymore.

`50.`

$\text{Form:}$

`+)` There + be + a/an + adj + increase in + sth

`->` There has been a considerable increase in the cost of living in the last few years.

41. Unless you work hard , you will fail the exam 

* Unless = If not 

42. I wish I could speak Korean well

* can / could + V-inf : có thể làm gì 

43. She said she was going to Ho Chi Minh city next week

* Lùi thì câu tường thuật : 

+ Be going to --> was / were + going to + V-inf 

44. My sister is interested in walking in the rain 

* be interested in + V-ing : hứng thú với việc gì 

45.  My father is having his car fixed by the mechanic tomorrow 

* have / let / make sth done : cho cái gì được ... 

46. Phong has studied English for 6 years ago 

* Star doing sth = Have / has + Ved /V3

47. The woman who helped me last week was very kind 

* Dùng who để thay thế cho danh từ chỉ người 

48. The film is too long to broadcast it on one night 

* too + adj to do sth : quá để làm gì 

49. Paul can't put up with the noise of the traffic anymore 

* put up with : chịu đựng 

50. There has been a considerable rise in the cost of living in the last few years 

* Cách chuyển đổi cụm danh từ : Đưa trạng từ thành tính từ , chuyển động từ thành danh từ 

--------------------- Chúc bạn học tốt %_% ---------------------