Vẫn bài hồi nãy nha đề bài là Put the verbs into the correct form.

Cấu trúc thì HTĐ: S + is/ am/ are / V ( es/s/nt)...

thì HTTD: S + is/ am /are + Ving +...

thì HTHT: S + have/ has + V(ed/ c3) ...

6, is playing - begins

Cấu trúc: When + S + V HTTD, S + V HTĐ

7, arrives - are having

8, is closing ( DHNB : now)

9, throw ( DHNB : never)

10, is talking ( dựa vào ngữ cảnh: listen!)

11, was

Cấu trúc: when + S + V QKĐ, S + V QKĐ

12, has delivered ( DHNB thì HTHT : already)

13, is attending ( dựa ngữ cảnh)