It was not until ... that ..., sau "that" nhớ bỏ (didn't) nhưng các trường hợp (couldn't/ weren't/ wasn't/ hadn't) sau that chỉ bỏ "not" mà thôi.

39. The boy didn't tell the truth until his father threatened to punish him.

-> It ..............................................................................................................

40. The patient's heart condition didn't improve until she received that new treatment.

-> It .................................................................................................................

41. He didn't stop working until he felt too tired.

-> It ..................................................................................................................

42. The police didn't make any accusations until they had some proof.

-> It ....................................................................................................................

It was not until ... that ..., sau "that" nhớ bỏ (didn't) nhưng các trường hợp (couldn't/ weren't/ wasn't/ hadn't) sau that chỉ bỏ "not" mà thôi.

51. The boy didn't do his homework until his father came home.

-> It __________________________________________________

52. He couldn't go to school until his father came home.

-> It .....................................................................................................

53. Lan couldn't study English until she was 15.

-> It .....................................................................................................

54. Nam could not buy a house of his dream until he was forty.

-> It ......................................................................................................

55. She hadn't been a good teacher before she taught at the university.

-> It ........................................................................................................

56. He hadn't been a bad husband before he got married Marry.

-> It ..........................................................................................................

57. Anna wasn't punished until her manager knew the truth.

-> It ............................................................................................................

58. Hieu didn't study hard until he failed this exam.

-> It

It was not until ... that ..., sau "that" nhớ bỏ (didn't) nhưng các trường hợp (couldn't/ weren't/ wasn't/ hadn't) sau that chỉ bỏ "not" mà thôi.

47. We didn't study English until we began primary school.

-> It ..................................................................................................

48. I didn't learn English until 2002.

-> It ...................................................................................................

49. He didn't know how to swim until he was 30.

-> It ....................................................................................................

50. They didn't begin to learn English until 1980.

-> It .....................................................................................................

It was not until ... that ..., sau "that" nhớ bỏ (didn't) nhưng các trường hợp (couldn't/ weren't/ wasn't/ hadn't) sau that chỉ bỏ "not" mà thôi.

14. He couldn't go to school until his father came home.

-> It..................................................................................................

15. Lan couldn't study English until she was 15.

-> It.......................................................................................................

16. Nam could not buy a house of his dream until he was forty.

-> It.......................................................................................................

17. She hadn't been a good teacher before she taught at the university.

-> It........................................................................................................

18. He hadn't been a bad husband before he got married to Marry.

-> It............................................................................................................

19. Anna wasn't punished until her manager knew the truth.

-> It............................................................................................................

20. Hieu didn't study hard until he failed this exam.

-> It..............................................................................................................

Fill in the blanks with " was / wasn't / were / weren't / did / didn't "
1. What ____ your most interesting trip last night ?
2. People ___ use the word " volunteer " until 1975
3. ____ you live in Nha Trang when you ____ a young girl ?
4. ____ the Red Cross become the first international charity organisation in 1863?
5. _____ she visit Hue when she ____ a child?
6. My parents ____ very pleased because my friends and I volunteered to clean streets 2 days ago
7. I ____ make postcards for homeless children last Christmas because I ____ busy writing a dissertation
8. They _____ happy after the trip to the village near Ha Noi last week
9. Cindy ___ do the homework as she ___ sick yesterday 

1. it was not until she was twenty-nine that Paula decided to get married

=> Paula.........................

2. it was not until the sun had risen that i woke up

=> i...........................

3. it was not until i had showed it to him that Simon realized his mistake

=> Simon...................

4. it was not until the spring came that the ice on the lake thawed

=> the ice................

5. it was not until the building was almost burned down that the firemen arrived

=>the firemen...........

Rewriting the sentences in another way so that they have the same meaning as the given above.

It is not until the sun is shining brightly that the little girl woke up.

A. No sooner is the sun shining brightly than the little girl woke up.

B. Not until the little girl woke up is the sun shining brightly.

C. Not until the sun is shining brightly did the little girl wake up.

D. As soon as the little girl woke up, the sun hasn’t shone brightly yet.