`1`/ don't
`2`/ don't
`3`/ sits
`4`/ mean
`5`/ do
`6`/ use
Công thức thì present simple ( dấu hiệu : alway, usually,... )
`->` S + v infinite / s or es + O
- ) S + don't / doesn't + v infinite +O
? ) Do / Does + S + v infinite + O ?
I, you, we, they + do / v infinite
He, she, it + does / s or es