10. He asked me not to tell anybody what had happened.

(Please -> asked sb to do sth, lùi thì happened -> had happened)

11. She threatened me to give her a pay rise or she would resign.

(Threaten sb to do sth or: đe doạ ai phải làm gì nếu không thì, will -> would)

12. John promised to finish the work by the end of that week.

(promise to do sth: hứa sẽ làm gì, this -> that)

`10,` He asked me not to tell anybody what had happened.

`+` Asked sb (not) + to-inf: yêu cầu ai đó (không) làm gì

`+` Thì quá khứ đơn lùi 1 thì thành thì quá khứ hoàn thành: S + had + V3/ed + O

`11`, She threatened that if I didn't give her a pay rise, she would resign.

`+` Threatened that + ...: đe dọa cái gì

`+` Trong câu tường thuật, câu điều kiện loại `1` chuyển thành câu điều kiện loại `2` có cấu trúc:

If + S + V2/ed (be `->` were), S + would/could/might + V1+ O

`12,` John promised to finish the work by the end of that week.

`+` Promised + to-inf: hứa làm gì

`+` This `->` that