tròiii oiii cú tuii

`-` Thì HTĐ :

`+` KĐ : S + Vs / es

`+` PĐ : S + don't / doesn't + V

`+` NV : Do / Does + S + V ?

`=>` `DHNB` : often , sometimes , never , always , usually , ...

`*` I , You , We , They `+` V-inf `-` don't V-inf

`*` He , She , It `+` Vs / es `-` doesn't V-inf

`2`.Do Trang and Minh play basketball every day after school ?

`3`.The flight from Ho Chi Minh City doesn't arrive at `10:30` 

`4`.Our Science teacher starts our lessons at `1` p.m on Fridays

`5`.Do you make model at the weekend ?

`\text{# TF}`