1. I would not like you to accept her offer.

-> would (not) like sb to V: (không) muốn ai làm gì

2. Study hard or you'll fail the exam.

-> unless ~ if not

-> or: nếu không

3. When was the last time you saw an action movie?

-> when: khi nào

-> the last time S V2/ed (lần cuối)

4. John works for the company in which they make cars.

-> which: đtqh chỉ vật

-> in which ~ where