bài về httd và htd ạ t dng cần gấp lm nhanh giúo t với!!

16. have

=> S + V giữ nguyên

17. am eating/ is playing

=> S + am/is/are + Ving

18. is looking / is eating

=> S + am/is/are + Ving

19.  Phong , An , Ha , Lan are close friend.

=> S + am/is/are +Ving

20. Does your mother walk to market ?

=>Does / Do + S + V ?

*hoc tot nho <3

Công thức thì HTĐ (V: tobe)

(+) S + am/is/are ..

(-) S + am/is/are + not .. 

(?) Am/Is/Are + S + ... ? 

I + am

S số ít, he, she, it + is

S số nhiều, you ,we, they + are

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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16. have

DHNB: On Friday (HTD)

17. am eating / are playing

DHNB: at the moment (HTTD)

18. is looking / is eating

DHNB: now (HTTD)

19. are

20. Does / walk 

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