1. He is not old enough to go to school

- S tobe adj enough to Vnt

2. She has long straight black hair

-  hair không đếm được

3. This test is not easy enough to finish

- S tobe not adj enough to V

4. He prefers reading books to watching TV

- prefer Ving to Ving

5. Our characters are not quite the same

- Tính cách của chúng tôi không hoàn toàn giống nhau

6. Huong is not as outgoing as Lan

- S1 tobe not as adj as S2

7. The coffee is too hot for him to drink immediately

- S tobe too adj for sb to Vnt

8. He is not old enough to be allowed to ride a motorbike 

- S tobe not adj enough to V