1. Ving really enjoys hanging out with his friends.
- love to Vo = enjoy Ving: thích làm gì
2. It is very interesting to play beach games.
- Ving + O + tobe + Adj: Làm gì thế nào
-> It + tobe + Adj + to Vo: Thế nào khi làm gì
3. How will your sister go to the US?
- by plane: bằng máy bay -> How: như thế nào, bằng cách nào
- Wh-q + trợ động từ + S + Vo?
4. Although the girl worked hard, her step mother was not happy.
- Although + S + V, S + V + O: Mặc dù....