1. Am trying
2. Not using ( dấu hiệu: at the moment )
3. Is teaching ( dấu hiệu: today )
4. Am looking
5. Are you waiting
6. Are always forgetting
7. As rising
8. What are you doing ? - am cleaning
9. Are you not wearing
10. Are always arguing
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CÔNG THỨC
Khẳng định: S + am/ is/ are + V-ing
Phủ định: S + am/ is/ are + not + V-ing
Nghi vấn: Am/ Is/ Are + S + V-ing ?
-> Trả lời: Yes + S + V_tobe
No + S + V_tobe + not
LƯU Ý:
– S = I + am
– S = He/ She/ It + is
– S = We/ You/ They + are