`2.` Basketballs cost as cheap as footballs. 

`3.` Playing chess is not as dangerous as riding a horse.

`4.` Football isn't as new as volleyball.

`5.` Men don't run as fast as horses.

`6.` I can run as fast as you. 

`-` Câu so sánh ngang bằng:

`-` Với tính từ: S1 + be + (not) + as + adj + as + S2 

`-` Với trạng từ: S1 + V + as + adv + as + S2

`-` S1 + TDT Dạng phủ định + V + as + adv + as + S2

2,Footballs cost four pounds.Basketballs also cost four pounds.

-> Basketballs is as cheap as footballs.

3,Playing chess is safe.Riding a horse is not.

-> Playing chess is not as dangerous as riding a horse.

4,Football is very old game.Volleyball is a new game.

-> Football is not as new as volleyball.

5,Men run fast.Horses run faster.

-> Men don't run  as fast as horses.

6,You can run fast.I can also run fast.

-> I can run as fast as your.

Form :

+) Đối với tính từ :  S(1) + tobe +( not) + as + adj + as + S(2)

+) Đối với trạng từ : S(1) + V + as + adj + as + V(2)