Giúp em vs ạ , em cảm ơn

1. John is as tall as Dave. So sánh bằng, vì John cao bằng Dave
[S + V + as + adj/adv + as + N/Pronoun/Clause]
2. Seville is as hot as Cordoba.
[Giống câu trên]
3. Frank is not as clever as Mary.
[Cũng giống bên trên, nhưng thay vì khẳng định thì ta dùng phủ định
 … not + as + adj/adv + as …]
4. The blue car is not as expensive as the red car.
[Giống câu 3]
5. Peter is not as rich as Sue. Sue - 1200 nhiều hơn Peter - 750
[Như trên]
6. The brown house is as old as the green house. 100 = 100
[Giống câu 1,2]
7. A cheetah is not as heavy as a tiger. A tiger - 109kg nặng hơn a cheetah - 65kg
[Như câu 3,4,5]
8. The impala is not as fast as the cheetah. The impala - 90km ít hơn the cheetah - 120km
[Giống 3,4,5,7]
9. The first exam was as difficult as the second exam. 
[Như câu 1,2,6 ạ]
10. Ciudad Real is not beautiful as Jaén. 
[Dạng phủ định
 Giống 3,4,5,7]
Tóm lại phần này chỉ toàn là kiến thức về dạng so sánh bằng (as...as) thôi ạ!