`1` Minh said that he was a member of the IT club.

- Câu tường thuật với câu kể : S + said (that) + S + V (lùi thì)

- Hiện tại đơn `->` Quá khứ đơn

`2` Jack is a cousin of his.

- S + to be + one of + tính từ sở hữu + danh từ số nhiều

`->` S + to be + (a/an) + danh từ + of + đại từ sở hữu

- his (TTSH, ĐTSH) : của anh ấy

`3` When were were having dinner, Mary came.

- When + QKTD/ QKĐ, QKĐ : khi

`4` As soon as the tsunami siren went off, everyone ran.

- right after = as soon as : ngay sau khi

`5` Although they predict the hurricane won't hit the city, the residents still get prepared for the worst.

- Mệnh đề 1, but + mệnh đề 2 : nhưng

-> Although + mệnh đề 1, mệnh đề 2 : mặc dù

Đáp án + Giải thích các bước giải:

1. Minh said that he was a member of the IT club.

=> Cấu trúc : Mđề trần thuật + that + Mđề đc trần thuật.

2.Jack is a cousins of his.

=> Cấu trúc : S + tobe + a/an + DT.

3.We were having dinner when Mary came.

=> Cấu trúc : S + were/was + Ving when S + Ved/BQT.

4.As soon as the tsunami sirent went off,everyone ran.

=> Cấu trúc : As soon as + S + V_ed/BQT,S + Ved/BQT : Ngay khi.

5.Although the predict the hurricane won't hit the city,the residents still get prepared for the worst.

=> Cấu trúc : Although + S + will(not) + V,S +V

=> Có Although thì 0 cs but.