1) I saw Tom and his father jogging in the park yesterday afternoon. => When 2) Fulfilling all his assignments, Jim helped his mom with the household chores. => Before Jim 3) She talk to his parents, then she made her decision. => Only after
2 câu trả lời
1. When I saw him yesterday afternoon, Tom and his father was jogging in the park. (thì quá khứ tiếp diễn diễn tả 1 hành động đang xảy ra thì có hành động khác xem vào: S + was/were + V-ing)
2. Before Jim helped his mon with the household chore, he had fulfilled all his assignments. (Thí quá khứ hoàn thành diễn tả 1 sự việc xảy ra trước 1 sự việc nào đó trong quá khứ: S + had + V quá khứ phân từ)
3. Only after talking to his parents did she make her decision. (câu đảo ngữ với Only after: Only after + N/V-ing/mệnh đề + trợ động từ + S+V)
1. When I saw him yesterday afternoon, Tom and his father was jogging in the park.
* Diễn tả 1 hành động đang xảy ra thì hành động khác xem vào
⇒Cấu trúc: S + was/were + V-ing
2. Before Jim helped his mon with the household chore, he had fulfilled all his assignments.
* Dấu hiệu nhận biết: Before.
⇒ S + had + PII
3. Only after talking to his parents did she make her decision.
⇒ Cấu trúc: Only after + N/V-ing + Trợ động từ + S+ V nguyên thể
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