`1.` No one in my group is cleverer than Mary.

`->` Mary is the cleverest in my group. (clever)

`->` No one in my group is as clever as Mary. (clever)

`-` Cấu trúc so sánh nhất tính từ ngắn: S + be + the + adj + EST 

`-` Cấu trúc so sánh ngang bằng: S + be+ as + adj + as + N/prounoun

`2.` This ruler is longer than that one.

`->` That ruler is shorter than this one. (short)

`->` That ruler is not as long as this one. (long)

`-` Cấu trúc so sánh hơn tính từ ngắn: S1 + be + adj + ER + than + S2

`-` Cấu trúc so sánh ngang bằng: S + be (not) + as + adj + as + N/prounoun

`3.` No other book in the library is more boring than this one. 

`->` No other book in the library is as boring as this one. (boring)

`->` This book is the most boring in the library. (boring)

`->` This book is the least interesting in the library. (interesting)

Cấu trúc so sánh ngang bằng: S + be (not) + as + adj + as + N/prounoun

Cấu trúc so sánh nhất tính từ dài: S + be + the most + adj

Cấu trúc so sánh kém nhất tính từ: S + be + the least + adj

`4.` This phone is the cheapest in the store.

`->` No other phone is cheaper than this one. (cheap)

`->` No other phone is as cheap as this one. (cheap)

`->` This phone is the least expensive in the store. (expensive)

`-` Cấu trúc so sánh hơn tính từ ngắn: S1 + be + adj + ER + than + S2

`-` Cấu trúc so sánh ngang bằng: S + be+ as + adj + as + N/prounoun

`-` Cấu trúc so sánh kém nhất tính từ: S + be + the least + adj

`5.` Tim is taller than John.

`->` John is not as tall as Tim. (tall)

`->` John is shorter than Tim. (short)

`-` Cấu trúc so sánh ngang bằng: S + be (not) + as + adj + as + N/prounoun

`-` Cấu trúc so sánh hơn tính từ ngắn: S1 + be + adj + ER + than + S2

@Càng