Bob is younger than Sally. (old)
Bob is not as old as Sally
An animal is less intelligent than a human being. (intelligent)
An animal is not as intelligent as a human being.
The Mississippi River is shorter than the Nile River. (long)
The Mississippi River is not as long as the Nile River
This book is worse than that book. (good)
This book is not as good as that book.
This room is smaller than that room. (big)
This room is not as big as that room.
Tom’s pronunciation is worse than Sue’s. (good)
Tom’s pronunciation is not as good as Sue’s.
I’m shorter than my sister. (tall)
I am not as tall as my sister.
Money is less important than a good health. (important)
Money is not as important as a good health.
This book is less expensive than that one. (expensive)
This book is not as expensive as that one.
Soda pop is less expensive than beer.
Soda pop is not as expensive as beer.
maths is more difficult than english. (easy)
englis is not as easy as maths
This exercise is more difficult than the last one. (easy)
This exercise is not as easy as the last one.
My apartment is smaller than yours. (big)
My apartment is not as big as yours.
Hamburger is less expensive than steak. (expensive)
Hamburger is not as expensive as steak.
In my opinion, english is less interesting than vietnamese. (interesting)
english is not as interesting as vietnamese
My red book is shorter than my yellow book (long)
My yellow book is not as long as my red book
My new shoes are less comfortable than my old shoes. (comfortable)
My new shoes are not as comfortable as my old ones.