1. Mr. Smith is wealthier than Mr. Brown.

→ Mr. Brown is poorer than Mr. Smith.

2. My house is smaller than my parent's house.

→ My parent's house is bigger than my house.

3. The black dress is more expensive than the red one.

→ The red dress is cheaper than the black one.

4. Today it is colder than yesterday.

→ Yesterday it was warmer than today.

5. I don't think you are taller than me.

→I don't think I am shorter than you.

6. Is Jim worse at Math than John?

→ Is John better at Math than Jim ?

7. Jim looks much younger than his classmates.

→ Jim's classmates look much older than him.

8. Your hair is longer than mine.

→ My hair is shorter than yours.

+) Giải thích:

Cấu trúc so sánh hơn: S1 + to be + adj-er/more adj + than + S2 + (trợ động từ).

- với tính từ ngắn: adj thêm đuôi er

- với tính từ dài: thêm more trước adj

1. Mr. Brown is poorer than Mr. Smith.

2.  My parent's house is bigger than my house.

3. The red dress is cheaper than the black one.

4.  Yesterday it was warmer than today.

5. I don't think I am shorter than you.

6.  Is John better at Math than Jim?

7. Jim's classmates look much older than him.

8. My hair is shorter than yours.

`=>` Giải thích:  (Bạn chỉ cần tìm tình từ có nghĩa ngược lại với đề đã cho rồi đặt câu theo đúng cấu trúc nha)

`->` Công thức của so sánh hơn:

- Đối với tính từ dài: 

`S_1` + to be +more adj + than + `S_2` + trợ động từ.

- Đối với tính từ ngắn: 

`S_1` + to be  +adj+ er + than + `S_2` + trợ động từ.  

- 1 số trường hợp đặt biệt:

+ good - better

+ bad - worse

+ far - farther/ further...

$@thubui$