so sánh hơn ta có cấu trúc : 

1 âm tiết ADJ/ADV + đuôi -er + than

2 âm tiết: more + ADJ/ADV + than

1 i play tennis worse than Tom

2 The Australian athlete more slowly than the the Korean athlete.

3 cats walk more quietly than dogs. 

4  james replies more swiftly than Peter. 
5 the tiger hunts more ferociously than the wolf. 
6 your idea works better than me. 
7 i eat vegetables more often than I used to. 
8 today you perform worse than yesterday.

Bài 9 

1 Yesterday the sun shone less brightly than today

2 That cake is less freshly made than this one

3 Jim's younger brother behaves less politely than him

4 Teenagers acted less violently in the past than these days

5 The doctor should treat his patients more patiently than he does

6 I speaks less quickly than my sister

7 Mary used to drive less carefully than she does now

8 Last simmer I went to the beach less often than I do this summer

Bài 8:

1. I play tennis more badly than Tom.

2. The Australian athlete runs slowlier than the Korean.

3. Cats walk more quietly than dogs.

4. James replies more swiftly than Peter.

5. The tiger hunts more rerociously than the wolf.

6. Your idea works better than mine.

7. I eat vegetables more often than I used to.

8. Today you perform worse than yesterday.

Bài 9:

1 Yesterday the sun shone less brightly than today.

2 That cake is less freshly made than this one.

3 Jim's younger brother behaves less politely than him.

4 Teenagers acted less violently in the past than these days.

5 The doctor should treat his patients more patiently than he does.

6 I speak less quickly than my sister.

7 Mary used to drive less carefully than she does now.

8 Last summer I went to the beach less often than I do this summer.