viết lại câu

1)Why don't you take that english course?
---->If...i were you, i would take that english course.............
2)You forgot to turn off the TV last night,didn't you?
----->You didn't.....remember to turn off the TV last night, did you?.....
3)Despite his age ,Mr Thanh runs five kilometres every morning
------>Even....though mr thanh is old, he runs five kilometres every morning .....
4)He didn't finish his work until the bell rang
------>No until ....the bell rang did he finish his work....

2)You forgot to turn off the TV last night,didn't you?
----->You didn't.....remember to turn off the TV last night, did you?.....

4)He didn't finish his work until the bell rang
------>NOT until ....the bell rang did he finish his work
=> cấu trúc đảo ngữ, không có dấu phẩy bạn nhé
Hình như phải là "NOT UNTIL" chứ nhỉ