`1`. My sister doesn't cook as well as than my brother.

`@` Cấu trúc so sánh không ngang bằng với trạng từ:

`-` S + do/does + not + as + adv + as + S2

`=` S1 + V + adj-er + than + S2 ~ so sánh hơn với adj-ngắn

`2`. After I had had breakfast at home, I went to school.

`-` Hành động xảy ra trước hành động khác trong quá khứ 

`+` Hành động xảy ra trước ~ QKHT: S + had + V3/ed

`+` Hành động xảy ra sau ~ QKĐ: S + V2/ed

`-` After + S + had + V3/ed, S + V2/ed

`3`. Oliver said to Chau that he was going to Vietnam the next day.

`@` Câu trần thuật ~ gián tiếp:

`-` S + said/told/said to + (O) + (that) + S + V(lùi thì)

`-` Lùi thì: am/is/are going to `->` was/were going to

`-` Tomorrow `->` The next day

`4`. Despite the terribe storm, no one was injured.

`@` Mệnh đề ~ cụm từ chỉ nhượng bộ:

`-` Although/Though/Even though + S + V, S + V: Mặc dù...nhưng...

`=` In spite of/Despite + N/Ving/Nphrase, S + V: Mặc dù....nhưng....

`5`. If today were Sunday, I wouldn't have go to school.

`@` Câu điều kiện loại `2`: 

`-` If + S + V2/ed ~ (Were) adj/N, S + would/could/might + V-bare 

`-` If I were + O, S + would/could/might + V-bare (mang tính khuyên nhủ ai đó)

 `-` If + S + didn't + V-bare, S + would/could/might + V-bare

 `=>` Hành động không có thật ở hiện tại.

1. My sister doesn't cook as well as my brother

2. After I had had breakfast at home, I went to school

3. Oliver said to Chau that he was going to Viet Nam the next day

4. Despite the terrible storm, no one was injured
5. If today was Sunday, I had to go to school

Công thức:

1. So sánh bằng: S + V + as 1 + adj/adv + as 2 + noun/pronoun

2. After + quá khứ hoàn thành + quá khứ đơn

3. S + said (that)/said to sb that/told sb that + S + V lùi thì

Thì HTTD -> QKTD

Tomorrow -> the next day/the following day/the day after

4. Despite + N/V-ing, S + V + …

5. If + S + V quá khứ, S would/could + V nguyên