Cấu trúc HTTD
+) S + tobe ( am / is / are ) + Ving
-) S + tobe + not + Ving
?) Am / is / are + S + Ving
I + am
You / we / they + are
She / he / it + is
DHNB : prensent , now , at the moment ,....
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1. are meeting
2. are visiting
4. are you doing
5. isn't listening
6. is siting
7. đã làm => đúng
8. sửa đề + đáp án
-> Where is your husband?
-> Vì theo câu gốc có are đã là HTTD
-> S là số ít -> đổi thành is
9. are / are palying
10. is coming
11. borrows / gives
-> HTD - S là số ít - V thêm s/es
12. am doing / is reading
13. isn't painting
14. aren't planting
15. are they making ....
16. Is your father repairing
17. is taking