1. Nga said that she was going to visit my grandmother the following weekend.
Giải thích: Áp dụng cấu trúc câu gián tiếp: Sp + said/asked + Lr + S + V (lùi thì ở câu trực tiếp) + C
2. The doctor whom you met yesterday, is working at Bach Mai hospital.
Gt: Xem lại mệnh đề quan hệ
3. The picture has been stolen.
Gt: Cấu trúc câu bị động
S(O) + tobe + V_pII + C
4. Although Mary was sick, she insisted on going to work.
Gt: Xem lại cấu trúc câu với từ In spite of/Despite với Although:
In spite of/Despite + N, ...
Although + Clause, ...
5. Scarcely had he put phone down when the doorbell range.
Cấu trúc scarcely:
Scarcely + had + S + V_pII/V-ed + when + S + V_pI/Ved.
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