`-` So sánh ngang bằng :

`+` Tính từ : S1 + is / am / are / ... ( not ) + as + adj + as + S2

`+` Trạng từ : S1 + V + as + adv + as + S2

`-` So sánh hơn ( `5` ) :

`=>` S + is / am / are / ... + adj-er / more adj + than + S2

`-` Tính từ có `1` âm tiết thường được thêm đuôi " -er " sau nó

`1`.He doesn't know as much as me

`2`.Taking by bus isn't as quick as taking by bus

`3`.The weather was not as bad as I have expected

`4`.Mike doesn't play squash as well as Barbaba

`5`.He is a slower speaker than his brother

`\text{# TF}`

`1.` He doesn't know as much as me.

`-` Cấu trúc: N/Np/adj/Clause (S+ V) + as much as + N/Np/adj/Clause... 

`2.` Taking by bus isn't as quick as taking by taxis.

`3.` The weather was not as bad as I have expected. 

`-` Cấu trúc: S + tobe + (not) + as + adj + as + N/Np/Clause. 

`4.` Mike doesn't play squash as well as Barbara.

`-` Cấu trúc: Clause/N/Np/Adj/... + as well as + Clause/N/Np/Adj/... 

`5.` He is a slower speaker than his brother. 

`-` Cấu trúc: S1 + tobe + a/an + adj-er/more + adj + N(person) + than + S2.