`-` Thì HTĐ :

`+` KĐ : S + Vs / es 

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

`=>` `DHNB` : always , often , usually , ...

`-` Thì HTTD :

`+` KĐ : S + is / am / are + V-ing

`+` NV : Is / Am / Are + S + V-ing ?

`=>` `DHNB` : now , at the moment , at present , ...

`1`.He often has breakfast late

`2`.Are you doing the housework at the moment ?

`3`.I don't go to school on weekends 

`4`.John's girlfriend is wearing a red T-shirt now

`5`.Do they like beer or wine ?

`6`.What does he usually do at night ?

`7`.The teacher never loses his temper

`8`.Why are you listening to music loudly now ?

`\text{# TF}`

* Cấu trúc thì Hiện tại đơn 

(+) S + V(es/s)/ V

(-) S + don't/ doesn't + V 

(?) Do/ Does + S +V?

- DHNB: every, often,...

* Cấu trúc thì Hiện Tại Tiếp Diễn 

(+) S + be + V-ing 

(-) S + be not + V-ing

(?) Be + S + V-ing?

- DHNB: now,...

___________________________________________________

`1.` He often has breakfast late 

`2.` Are you doing the housework at the moment?

`3.` I don't go to school on weeks

`4.` John's girlfriend is wearing a red T-shirt now

`5.` Do they like beer or wine?

`6.` What does he usually do at night?

`7.` The teacher never loses his temper 

`8.` Why are you listening to music loudly now?