Cầuuu cứuuuu ạaaaaaa

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. visit 

DHNB: twice a month (HTD)

2. is watching

DHNB: now (HTTD)

3. doesn't open 

Lịch trình, kế hoạch --> HTĐ

4. meets

DHNB: sometimes (HTD)

5. is studying

DHNB: Be quiet! (HTTD)

6. looks / is looking 

7. walks / is driving

DHNB: often (HTD) - this morning (HTTD)

8. are / cooking / smells

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