1. Does the men come to work at 8.00 every morning? (every: dấu hiệu nhận biết thì hiện tại đơn)
2. He is listening to the radio. (V-ing: chia thì HTTD)
3. Are the children coming into the room at this moment? (V-ing; at this moment: thì HTTTD)
4. We doesn't watch TV every night. (every night: HTĐ, không thể thêm do⇒doesn't)
5. Are you studying English?
6. Is John taking a shower? - No, He isn't taking a shower
7. Does he learns the new words in each lesson? (each: mỗi : thì HTĐ)
8. Are they playing football right now? (right now: HTTD)
9. Do the students need help with their exercises?
10. The teacher is correcting the exercises now. (now: chia HTTD)
Chúc bạn học tốt! ✪ ω ✪