1. The novel "Dream City" is interesting enough for us to read it again.

Cấu trúc : S + tobe + adj + enough + (for SB) + to V-inf

2. My father has worked in this factory for 15 years.

Cấu trúc thì HTHT : S + has + V-ed

3. The last time she met her old teacher is six months ago.

Cấu trúc : The last time + S + V

4. A newspaper was being read by my father at 7 o'clock yesterday.

Cấu trúc câu bị động tại thì QKTD : S + was/were + being + P2

5. While I was having dinner, the phone rang.

Cấu trúc : While + QKTD, QKĐ

6. She was writing a letter in her room when her aunt called yesterday.

Cấu trúc : QKTD + when + QKĐ

7. A fable is an imaginative short story that teaches a moral lesson

8. The car was not bought by him because he could not afford to do this.

9. She lost her job because of her lack of experience

10. You should come to the festival early if you want to join the procession. 

$1,$The novel Dream City is very interesting and we want to read it again(enough)

$→$ The novel Dream City is interesting enough for we to read it.

$S_1$ + be + adj + enough + for + $S_2$ + to + V.
$2,$ My father started working in this factory 15 years ago
$→$ My father has worked in this factory for 15 years.

S + started/began + V_ing + time + ago/last + time.

$→$ S + have/has + V3 + for + khoảng thời gian/since + thời gian được xác định.
$3,$ It's over six months since she met her old teacher
$→$ The last time she met her old teacher was over six months ago.

It's + thời gian + since + S + last + V(quá khứ).

$→$ The last time S + V(quá khứ) + was + thời gian + ago/last + thời gian.

$4,$ My father was reading a newspaper at 7o'clock yesterday
$→$ A newspaper was being read by my father at 7 o'clock yesterday.

S + was/were + V_ing + O.

$→$ S(O) + was/were + being + V3 + by + S.
$5,$ During my dinner,the phone rang
$→$  While i was having my dinner, the phone rang.

During + N, S + V(quá khứ).

$→$ While S + was/were + V_ing, S + V(quá khứ).
$6,$ She/ write/letter/room/ when/ her aunt/call/yesterday.

$→$ She was writting the letter in the room when her aunt called yesterday.

S + was/were + V_ing when S + V(quá khứ).
$7,$ A fable is an (imagine) _____short story that teaches a moral lesson.

$→$ imagination

imagination (n) : sự tưởng tượng
$8,$ He could not afford to buy the car
$→$ The car was too expensive for him to buy.

$S_1$ + be + adj + enough + for + $S_2$ + to + V.
$9,$ She lost her job because she was inexperienced(Because of)

$→$ She lost her job because of her inexperiement.

S + V + because of + cụm danh từ/danh từ.
$10,$ You should come to the festival early,or you cannot join the procession(if)

$→$ If you come to the festival early, you will join the procession.

If S + V(hiện tại), S + will + V.

`\color{cyan}{\text{@Bulletproof Boy Scout}}`