`1.` My hair is shorter than yours 

`2.` His classmate looks much older than Jim

`-` much older than: già hơn

`3.` Is John good at Math than Jim ?

`-` Cấu trúc: good at sth: giỏi về cái gì 

`4.` Yesterday is warmer than today

`5.` My parents house is bigger than my house

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`-` Cả 5 câu đều dùng so sánh hơn với adj ngắn

`-` Cấu trúc: S + V + adj/adv + "er" + than + S

`1.` My hair is not as long as yours.

`-` not as long as: ko dài bằng 

`-` Cấu trúc: S + tobe + not + as + adj + as + N/Pro/Clause

`2.` His classmate looks much older than Jim.

`-` young (trẻ) >< old (già)

`-` S1 + V + adv-er + than + S2.

`3.` Is John good at Math than Jim?

`-` Cấu trúc: good at sth: giỏi về thứ gì

`( ? )` Am/Is/are + S + N/adj/... + O ?

`4.` Yesterday is warmer tha today. 

`-` warm (ấm) >< cold (lạnh)

`-` Cấu trúc: S1 + tobe + adj-er + than +S2

`5.` My parent's house is bigger than my house.

`-` small (nhỏ) >< big (to)