`10`.We didn't see Tom `2` days ago

`\rightarrow` Thì QKĐ ( PĐ ) : S + didn't + V

`\rightarrow` `DHNB` : ago

`11`.This time yesterday , Tom and I weren't working in the garden

`\rightarrow` Thì QKTD ( PĐ ) : S + wasn't / weren't + V-ing

`\rightarrow` `DHNB` : This time yesterday

`12`.There will be no rain in our town next week

`\rightarrow` Thì TLĐ ( ĐT Tobe ) : S + will be + adj / n 

`\rightarrow` `DHNB` : next

`13`.What time do you often have lunch ?

`\rightarrow` Thì HTĐ ( NV ) : Do / Does + S + V ?

`\rightarrow` What time dùng để hỏi về thời gian ( `13 , 16` )

`14`.What are you doing now ?

`\rightarrow` Thì HTTD ( NV ) : Is / Am / Are + S + V-ing ?

`\rightarrow` What dùng để hỏi về cái gì

`15`.How long have you worked here ?

`\rightarrow` Thì HTHT ( NV ) : Have / Has + S + VpII ?

`\rightarrow` How long dùng để hỏi về bao lâu

`16`.What time did you get up yesterday ?

`\rightarrow` Thì QKĐ ( NV ) : Did + S + V ?

`17`.What was your sister doing at `8.00` last night ?

`\rightarrow` Thì QKTD ( NV ) : Was / Were + S + V-ing ?

`\rightarrow` `DHNB` : at `8.00` last night

`18`.Where will you go after school tomorrow ?

`\rightarrow` Thì TLĐ ( NV ) : Will + S + V ?

`\rightarrow` Where dùng để hỏi về địa điểm

`\text{# TF}`

10. We didn't see Tom 2 days ago. (quá khứ đơn)

 - Dấu hiệu: "2 days ago".

11. This time yesterday, Tom and I weren't working in the garden. (quá khứ tiếp diễn)

 - Dấu hiệu: "This time yesterday": mốc thời gian cụ thể trong quá khứ.

12. There will be no rain in our town next week. (tương lai đơn)

 - Dấu hiệu: "next week"

13. What time do you often have lunch? (hiện tại đơn)

14. What are you doing now? (hiện tại tiếp diễn)

 - Dấu hiệu: "now"

15. How long have you worked here? (hiện tại hoàn thành)

 - Dấu hiệu: "How long"

16. What time did you get up yesterday? (quá khứ đơn)
 - Dấu hiệu: "yesterday"

17. What was your sister doing at 8.00 last night? (quá khứ tiếp diễn)

 - Dấu hiệu: "8.00 last night"

18. Where will you go after school tomorrow? (tương lai đơn)

 - Dấu hiệu: "tomorrow"