$\text{@su}$

1, She said she was working in a restaurant then.

→ Câu tường thuật, cấu trúc: S + said/told/tell/say/... + (that) S + V (lùi thì)

2, Unless the man arrive, we will start the conference without him.

→ Unless S + V = If S + don't/doesn't + V

3, This is the most romantic story that I have ever read before.

→ I have never P2 = This is the first time = This is the most 

4, Unless you rest yourself, you will be ill

→ (giống câu 2) 

5, The sand of the beach was slowly being covered by oil.

→ Câu bị động thì QKTD, S + was/were + BEING + P2

6, She asked Nam if he would like learning English.

→ Câu tường thuật của câu nghi vấn

7, Nobody in her school can speak Vietnamses more fluently than Ms. Jone

→ So sánh nhất

8, Bac Giang's agricutural products will be exported to Japan.

→ Câu bị động thì TLĐ

9, Scientists have worked on Coronavirus vaccines since 2019.

→ Thì HTHT

10, If Mr. Pike doesn't use energy-saving bulbs, he won't save a lot of money.

→ Câu điều kiện loại 1, cấu trúc If + S + V, S + will + Vbare

11, The little girl who is wearing the red dress sings beautifully.

→ Mệnh đề quan hệ "who" chỉ người

12, Huy is the tallest person in my class.

→ So sánh nhất

$\text{#BTS}$

`text{1. She said she was working in a restaurant then}`

`text{2. Unless the man arrive, we will start the conference without him}`

`text{3. This is the most romantic story that I have ever read before}`

`text{4. Unless you rest yourself, you will be ill}`

`text{5. The sand of the beach was slowly being covered by oil}`

`text{6. She asked Nam if he would like learning English}`

`text{7. Nobody in her school can speak Vietnamses more fluently than Ms. Jone}`

`text{8. Bac Giang's agricutural products will be exported to Japan}`

`text{9. Scientists have worked on Coronavirus vaccines since 2019}`

`text{10. If Mr. Pike doesn't use energy-saving bulbs, he won't save a lot of money}`

`text{11. The little girl who is wearing the red dress sings beautifully}`

`text{12. Huy is the tallest person in my class}`