Đề bài: Rewrite the sentences. Use the adverbs of frequency in 1. I'm late for school in the morning. ( rarely ) - I'm rarely late for school in the morning 2. Sam goes out with his friends ( occasionally ) ___________________________________________________ 3. Ann surfs the Net in the evening ( usually ) ____________________________________________________ 4. My best friend takes photos at school. ( never ) ____________________________________________________ Helpp meeeee

$\text{2. }$ Sam occasionally goes out with his friends .

$\text{3. }$ Ann usually surfs the Net in the evening .

$\text{4. }$ My best friend never takes photos at school .

$\text{* Công thức :}$

$\text{(+)}$ S + từ chỉ tần suất + Vs/es .

$\text{(-)}$ S + do/does + not + từ chỉ tần suất + V .

$\text{(?)}$ How often + do/does + S + V ?

2. Sam occasionally goes out with his friends.

3. Ann usually surfs the Net in the evening.

4. My best friend never takes photos at school.

- giải thích:

+ Vị trí của trạng từ chỉ tần suất: đứng trước động từ thường, sau động từ tobe và trợ động từ.