1.1. The old's lady handbag was stolen by two men.

−- Bị động QKĐ : S + was/were + P2 ( by O ) + ...

2.2. She asked Ba if he was reading that book then.

−- Nghi vấn : S + asked/ wanted to know/ wondered + if/whether + S + V ( đổi ngôi / lùi thì )

3.3. If you brush your teeth twice a day, you will have healthy teeth.

−- Câu điều kiện loại 1:1: If S + V hiện tại , S + will/can/may + V-inf ..

4.4. My sister has not used English for five years.

−- It’s + time+ since + S + last + Ved == S + have/ has +not+ for + time ...

5.5. She performs more perfectly than her friends.

−- So sánh hơn ( trạng từ dài ) : S1 + V + more + adv + than + S2 ...

6.6. Although she was unwell, she was playing with her son for an hour.

−- Although + clause (S+V) == Despite + Noun/gerund (Ving) : mặc dù