=>
Ex4/
1. to go -> going
-> suggest Ving : đề xuất, gợi ý
2. is -> was
-> used to -> chia thì QKĐ
3. likes -> liked
-> said (câu tường thuật -> lùi thì, HTĐ -> QKĐ)
4. beautiful -> beautifully
-> sing là động từ -> cần trạng từ
5. will -> would
-> câu ước ở tương lai wish S would V
Ex5/
1. I wish I had my racket here.
-> câu ước ở hiện tại wish S V2/ed
2. I suggest going out for a drink.
-> suggest Ving : đề xuất, gợi ý
3. He said to me that his mother would have a party with her friends that night.
-> câu tường thuật -> lùi thì, will -> would
VII/
1. He used to be taken to the zoo by his parents when he was small.
-> used to V : đã từng/ bị động used to be V3/ed
2. He spent two hours painting that picture yesterday.
-> spend time Ving ~ take time to V