To leave sb doing sth
To leave sb doing sth: Để ai làm gì
Eg: I left Bob talking to the director after the introduction.
Go/come doing sth (dùng cho thể thao và mua sắm)
Eg: Go skiing/ go swimming/ go shopping/ come dancing
To spend time doing sth: Bỏ thời gian làm gì
Eg: He usually spends much time preparing his lessons.
To waste time doing: hao phí thời gian làm gì
Eg: She wasted all the afternoon having small talks with her friends.
To have a hard time/trouble doing sth: Gặp khó khăn khi làm gì
Eg: He has trouble listening to English.
I had a hard time doing my homework.
To be worth doing sth: đáng để làm gì
Eg: This project is worth spending time and money on.
To be busy doing something: bận làm gì
Eg: She is busy packing now.
Be no/ not much/ any/ some good doing smt: Không có ích, ít khi có ích (làm gì)
Eg: It's no good my talking to him
To find sb/sth doing sth: Thấy ai/ cái gì đang làm gì
Eg: I found him standing at the doorway.