1. The building next to the park was repaired (by them) last Saturday.

Cấu trúc bị động của thì quá khứ đơn:

$#S+ were/was + P2+...$

2. Hang asked me if I would pick her up that night.

to night - that night.

3. If you take a short nap, you will feel relaxed.

Câu điều kiện loại 1:

$#If + S + V/V(s/es) + O, S + will/can/may + V.$

4. He hasn't visited his hometown since he was ten.

Thì hiện tại hoàn thành:

$#S + have/has + P2 +...$

Dấu hiệu nhận biết: since + mốc thời gian/mệnh đề quá khứ đơn, for + khoảng thời gian, already, yet, just,...

5. My sister plays tennis more skillfully than I am.

So sánh hơn với trạng từ:

- Với trạng từ ngắn:

$#S1 + V + short adv-er + than + S2$

- Với trạng từ dài:

$#S1 + V + more/less + long adv + than + S2$

6.  Although he invests a lot of emotional energy in that business, he was unsuccessful.

$#Although + Clause, clause$