`-` Thì HTĐ :

`+` KĐ : S + Vs / es `-` S + is / am / are + adj / n

`+` PĐ : S + don't / doesn't + V `-` S + isn't / 'm not / aren't + adj / n

`+` NV : Do / Does + S + V ? `-` Is / Am / Are + S + adj / n ?

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

`=>`

`+` I `+` am ( not ) `-` V-inf `-` don't V-inf

`+` He , She , It `+` is ( not ) `-` Vs / es `-` doesn't V-inf

`+` You , We , They `+` are ( not ) `-` V-inf `-` don't V-inf

`Ex.8`.

`1`.don't

`2`.doesn't

`3`.don't

`4`.don't

`5`.doesn't

`6`.doesn't

`7`.don't

`8`.doesn't

`Ex.9`.

`1`.What do they listen to ?

`->` What dùng để hỏi về cái gì

`2`.Where does Nam go in the morning ?

`->` Where dùng để hỏi về địa điểm ( `2 , 5 , 7` )

`3`.How does your father go to work ?

`->` How dùng để hỏi về phương tiện

`4`.What time does her brother have breakfast every morning ?

`->` What time dùng để hỏi về giờ

`5`.Where does your mother work ?

`6`.How many dogs does Linh have ?

`->` How many + N đếm được : Dùng để hỏi về số lượng ( `6 , 10` )

`7`.Where is your mother's picture ?

`8`.What time is it ?

`->` What time dùng để hỏi về giờ

`9`.Which class is she in ?

`->` Which class dùng để hỏi về lớp

`10`.How many children do they have ?

`\text{# TF}`