* Cấu trúc với How often 

How often + do/ does+ S + V ...?

- How often: hỏi tần suất 

`->` S + V/ V(es/s) + sth + tần suất 

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`1.` How often do you study with a friend?

- I study with a friend twice a week

`2.` How often does Linda go to the cinema?

- Linda goes to the cinema once a month

`3.` How often does your mother go shopping?

- My mother goes shopping every day

`4.` How often do you surf the Internet?

- I surf the Internet once a week

`5.` How often does Peter go swimming?

- Peter goes swimming three days a week