1. 
a) Mary is as tall as her brother. 

→ Cấu trúc: S1 + be + as + adj/adv + as + S2

b) A lemon isn't so/as sweet as an orange.

→ Cấu trúc: S1 + be not + so/as + adj/adv + as + S2.

c) A donkey isn't so/as big as a horse.

→ Cấu trúc: S1 + be not + so/as + adj/adv + as + S2.

d) This dress is as pretty as that one.

→ Cấu trúc: S1 + be + as + adj/adv + as + S2

e) The weather wasn't so/as cold as yesterday.

→ Cấu trúc: S1 + be not + as/so + adj/adv + as + S2.

2.

a) A rose is more beautiful than a weed.

→ Cấu trúc: S1 + be + more + adj/adv + than + S2.

b) A dog is more intelligent than a chicken.

→ Cấu trúc: S1 + be + more + adj/adv + than + S2.

c) Ba is friendlier than Nam.

→ Cấu trúc: S1 + be + adj/adv + er + than + S2.

→ Khi thêm er ta chuyển y sang i rồi thêm đuôi er.

d) Your house is farther from school than my house.

→ Cấu trúc: S1 + be + adj/adv + er + than + S2.

→ Far thuộc trường hợp đặc biệt nên so sánh hơn của far là farther.

e) A horse is stronger than a person.

→ Cấu trúc: S1 + be + adj/adv + er + than + S2.

3.

a) The Nile is the longest river in the world.

→ Cấu trúc: S1 + be + the + adj/adv + est + S2.

b) Lan is the tallest student in my class.

→ Cấu trúc: S1 + be + the + adj/adv + est + S2.

c) English coffee is the worst of all.

→ Cấu trúc: S1 + be + the + adj/adv + est + S2.

→ Vì bad nằm ở trường hợp đặc biệt nên ta dùng worst.

d) Australia is the smallest continent in the world.

→ Cấu trúc: S1 + be + the + adj/adv + est + S2.

e) That is the highest mountain in the world.

→ Cấu trúc: S1 + be + the + adj/adv + est + S2.

II. Hoàn thành các câu so sánh sau:

1. So sánh ngang bằng.

a. Mary/ tall/ her brother.

-Mary is as tall as her brother

b. A lemon/ not sweet/ an orange. 

-Alemon isn't as sweet as an orange

c. A donkey/ not big/ a horse.

-A donkey isn't as big as a horse

d. This dress/ pretty/ that one.

-This dress is as pretty as that one

e. the weather/ not cold/ yesterday. 

-The weather isn't as cold as yerterday

Câu trúc so sánh ngang bằng: as + ADJ/ADV + as hoặc so + ADJ/ADV + as

2. So sánh hơn:

a. A rose/ beautiful/ a weed.

-A rose is more beautiful than a week

b. A dog/ intelligent/ a chicken.

-A dog is more intelligent than a chicken

c. Ba/ friendly/ Nam.

-Ba is friendlier than Nam

d.Your house/ far/ from school / my house.

-Your house is farther from school than my house.

e. A horse/ strong/ a person.

-A horse is stronger than a person

Công thức :

- So sánh hơn :Nếu từ chỉ có 1 âm tiết: ADJ/ADV + đuôi -er + than

                          Nếu từ có nhiều âm tiết trở lên: more + ADJ/ADV + than

3. So sánh nhất:

a. The Nile/ long/ river/ in the world.

-The Nile is the longest river in the world

b. Lan/ tall/ student / in my class.

-Lan is the tallest student in my class

c. English coffee/ bad/ of all. 

-English coffee is the worst of all (với bad ko dùng bader vì nó là tính từ đặc biệt:bad, worse, worst)

d. Australia/ small/ continent in the world.

-Autralia is the samllest cotinent in the word

e. That/ high/ mountain in the world. 

-That is the higher mountain in the world

Công thức:

- So sánh hơn nhất: Nếu từ chỉ có 1 âm tiết: the + ADJ/ADV + -est

                                   Nếu từ có nhiều âm tiết trở lên: the + most + ADJ/ADV

Gửi tus nha!!!