2.Her new school is bigger than her old school.

-> S + tobe + not + tính từ ngắn thêm er + than + S 

3.Lan will be twenty years old on saturday september 14 th.

-> S + will be+....

4.This road is not safer than one. 

-> câu so sánh hơn : S + tobe + not + tính từ ngắn thêm er + than + S 

5.Hoa likes fish and so her sister . 

-> S + V + ... + and + so + S 

My class is going camping this weekend .

-> thì HTTD , dấu hiệu : this weekend 

Xin hay nhất ạ 

@Chaeyoung 

2, Her new school is bigger than her old school.

3,Lan will be twenty years old on saturday, september 14 th

4,This road is not safer than one.

5,ko hiểu

my class will go camping this weekend