1. Thiếu to be "is" (It is not)
2. how explain -> how to explain
3. pleasing -> pleased
4. greatly -> great
5. câu này em không biết ạ
6. to appear -> appearing
7. the students play over there -> the students who are playing over there
8. take-> took
9. tried reviving -> tried to revive
10. to not -> not to