Cấu trúc: It is/ was not until + time word/ phrase/ clause + that... + S + V: Mãi cho đến….. thì…

1. It was not until  morning that she recovered hẻ confidence

2. It was not until half past nine that he arrived at the office 

3. It was not until 2004 that mary worked for the UN

4. It was not until I was 15 that know how to ride a bicycle 

5. It was not until last Saturday that I finished reading my book 

6. It was not until I went to university that I liked chocolate 

7. It was not until 2.30 that no one could leave the stadium 

8. It was not until her birthday that she was allowed to open her presents

9. It was not until last summer that we had any holiday 

10. It was not until the age of 24  that she stpped learning German 

11. It was not until Mark helped me that I finished my project 

12. It was not until the electricity was cut off that he paid the bill 

13. It was not until midnight that I slept 

14. It was not until I had all the information that I commented further 

15. It was not until the war ended that he returned to his native village 

16. It was not until early the following year that he was unable to take up the post 

1) she didn't recover her confidence until that morning

I was not until.......that morning did she recover her confidence

2) he didn't arrive at the office until half past nine

If was not until .......half past nine did he arrive at the office

3) mary didn't work for the UN until 2004

If was not until.....2004 did mary work for the UN 

4) l didn't know how to ride a bicycle until l was 15

If was not until...... l was 15 did i know how to ride a bicycle

5) john did't finish reading my book until last Saturday

If was not until....last Saturday did john finish reading my book

6) l did't like chooclate until l went to university

If was not until.... l went to university did i like chooclate

7) no one could leaver the stadium until 2.30

If was not until.... 2.30 could everyone leave the stadium

8) she wasn't allowed to open her presents until brriday

If was not until.......brriday was she allowed to open her presents

9) we did't have any holidays until last summer

If was not until.....last summer did we have any holidays

10) she didn't stop learning german until the age of 24

If was not until......the age of 24 did she stop learning german

11) l couldn't finish my project until mark helped me

If was not until....mark helped me could i finish my project

12) they did't pay the bill until the electricity was cut off

If was not until.....the electricity was cut off did they pay the bill

13) l did't sleep until midnight

If was not until.....midnight did i sleep

14) l couldn't comment further until l have the information

If was not until.....l have the information could i comment further

15) he didn't return to his native village until the ended

If was not until....the ended did he return to his native village