Tìm lỗi sai và sửa lại : A, listen to the boy ! He is sing an internationl song on TV. B, Now , she writes two letters to her parents in the Countryside . C, Khoi My is listen to an English song on TV at present . D, Miss Liên doesn' t goes to class late every morning

A. is sing => is singing

Listen =>dấu hiệu thì HTTD 

S+is/am/are+V-ing

B. writes => is writing

Now=> dấu hiệu thì HTTD

S+is/am/are+V-ing

C. is listen=> is listening

At the present=> dấu hiệu thì HTTD

Công thức như câu A,B

D. doesn't goes=> doesn't go

every morning=> dấu hiệu thì HTĐ

S+do/does+not+V-inf

$\text{A.Listen to the boy! He is sing an international song on TV}$

$\text{sing → singing }$

$\text{B.Now, she writes two letters to her parents in the countryside}$

$\text{writes → is writing }$

$\text{C.Khoi My is listen to an English song on TV at present}$

$\text{listen → listening}$

$\text{D.Miss Lien doesn't goes to class late every morning}$

$\text{goes → go}$

$\text{Giải thích: }$

$\text{Cấu trúc httd:}$

$\text{(+) S + am/is/are + Ving + ...}$

$\text{(-)S + am/is/are + not + Ving + ...}$

$\text{(?)(Wh-question) + am/is/are + S + Ving + ... ?}$

$\text{Cấu trúc thì htđ với v:}$

$\text{(+) S + V(s,es) + ...}$

$\text{(-) S + don't/doesn't + V + ...}$

$\text{(?) (Wh-question) + do/does + S + V + ... ?}$