`2`. The pop star whom we invited to the chat shoow, didn't arrive.

Đại từ quan hệ "whom" chỉ người, whom + S + V

`3`. The teacher asked him to go out because he misbehaved in the class.

Because + mệnh đề: bởi vì

`4`. Figures were carved of lions and unicorns on the top of the box by the artisans.

Câu bị động thì quá khứ đơn: S + was/were + PII + (by + O).

`5`. Turn off the computer when you leave.

Turn off (phrv): tắt

`6`. They paid for dinner in order to apologize for their behavior.

In order to V: để làm gì

`7`. When I was a child, I used to go to the local park every Saturday afternoon.

Used to V: từng làm gì trong quá khứ nhưng nay không làm.

`8`. They are being made to study hard by their teacher.

Chủ động: make sb do sth

Bị động: be made to do sth