Cấu trúc as....as:Khẳng định (positive): S + V + as + adj/ adv+ as + N/pronoun 

                            Phủ định (negative): S + V + not + so/as + adj/adv + N/Pronoun 

Cấu trúc so sánh nhất: S + V + the + adj/adv ngắn- est

                                    S + V + the most + adj/adv dài

~Bạn tham khảo~

1. as important
2. most popular
3. easier
4. better
5. as exepensive as
6. heavier
7. more suitable
8. the best

1. Some people think that Music isn’t as important as Maths orScience. I don’t agree.

2. The guitar is one of the most popular instruments among young people.

3. It’s easier  to play an instrument after you’ve beenpractising for a while.

4. I play the piano better than I play the violin.

5. Guitars aren’t as expensive as many other instruments.

6. Saxophones are heavier than a lot of instruments.

7. Traditional pianos are more suitable than keyboards for beginners.

8. Mai is the best  singer in our class.

     Công thức : as + ADJ/ADV + as hoặc so + ADJ/ADV + as

                        ADJ/ADV + đuôi -er + than hoặc more + ADJ/ADV + than 

                        the + ADJ/ADV + -est hoặc  the + most + ADJ/ADV