`1`. I often play badminton in the afternoon

$\longrightarrow$ often: HTĐ

Công thức:

`(+)` S + V(s/es) + 

`(-)` S + don't / doesn't + Vnt

`(?)` Do / Does + S + Vnt

`2`. How often do you talk to your friend online? 

$\longrightarrow$ How often: Câu hỏi thì HTĐ

$\longrightarrow$ How often + Trợ ĐT + S + V

`3`. Linda went to her hometown by coach 

$\longrightarrow$ went (v): đi (Quá khứ của "go) 

`4`. I went my cousin's birthday party

$\longrightarrow$ went (v): đi (Quá khứ của "go)  

1,I often play badminton in the afternoon

2,How often do you talk to your friend online ?

3,Linda went to her hometown by coach

4,I went my cousin's birthday party