Công thức thì HTĐ (V: thường)

S số ít, he, she, it 

(+) S + Vs/es

(-) S+ doesn't + V1 

(?) Does +S +V1?

S số nhiều, I, you, we, they

(+) S + V1 

(-) S+ don't + V1 

(?) Do + S+ V1? 

DHNB: always, usually, sometimes, often, never, seldom,....

Công thức thì HTTD 

(+) S + am/is/are + Ving 

(-) S + am/is/are + not + Ving 

(?) Am/Is/Are +S +Ving? 

DHNB: now, right now, (!), at present, at the moment,.....

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1. is singing 

DHNB: Listen! (HTTD)

2. go 

DHNB: every night (HTD)

3. likes / like 

4. are staying 

DHNB: now (HTTD)

5. reads 

DHNB: always (HTD)

6. is running 

DHNB: Look! (HTTD)

7. listens / isn't listening 

DHNB: usually (HTD), now (HTTD)

8. swimming 

like + Ving : thích 

`color{orange}{~MiaMB~}`

`1.` is singing

`2.` go

`3.` likes - like

`4.` are staying

`5.` reads

`6.` is running

`7.` listens - isn't listening

`8.` swimming 

`-` Like `+` V-ing: thích làm gì 

`@` HTĐ:

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

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

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

`-` DHNB: Every day/night, always, often, usually,...

`@` HTTD:

`(+)` S `+` is/am/are `+` V-ing

`(-)` S `+` is/am/are not `+` V-ing

`(?)` Is/Am/Are `+` S `+` V-ing?

`-` DHNB: now, Listen!, Look!, at present,...