1. " Would you like me to help you with the cooking Tom? " Laura said Laura offered................................... 2. "If you don't pay the ransom, We'll kill your Son," The kidnappers said to them The kidnappers threatened.................... 3. "I will answer these questions, " Paul said Paul promised................

1. Laura offered to help Tom with the cooking

Công thức : Offered + to V : ngỏ ý làm gì đó

2. The kidnappers threatened to kill their son if they didn’t pay the ransom.

Cấu trúc: S + threatened + to V/ not to V : đe doạ (ai) làm gì

Thì hiện tại đơn sẽ chuyển thành thì quá khứ đơn trong câu gián tiếp (don’t pay => didn’t pay)

3. Paul promised to answer those question

Cấu trúc : Promised + to V : hứa sẽ làm gì đó

These -> Those