When she was going along the street, she saw a pickpocket

ĐÂY LÀ DẠNG PARTICIPLE PHRASES
----- Nội dung dịch tự động từ ảnh -----
17. When she was going along the street, she saw a pickpocket.
18. I stood watching an old man who was playing with his grandchildren.
19. You should not kiss a baby that is sleeping.
20. She took a picture of a lady who was sleeping.
21. While he was going to the office, he met his old friend.