Fill each blank with the correct form of the verb in brackets. 1. When energy ___________ (come) from the wind, we call it wind energy. 2. Lan promises she will be finishing (finish) her homework tonight. 3. The people in this district are using (use) solar energy to replace energy from coal at the moment. 4. Last night, I was watching a documentary when the light went (go) out. 5. Do you think robots ___________ (replace) human in the future? 6. Tom ___________ (be) sick so he couldnt go on the trip to Washington D.C. yesterday. 7. In my opinion, we ___________ (not use) coal for cooking and heating in the future. 8. Pete ___________ (forget) to turn off the TV after watching it last night. 9. I ___________ (look) for my car key now. I dont remember where I left it. 10. Sonya: When ___________ you ___________ (buy) that Solowheel? Ben: Last month.

`1`. comes

`-` Diễn tả `1` sự thật hiển nhiên `->` chia HTĐ

`-` `C`ấu trúc hiện tại đơn:

(`+`) `S` + `V`-s,es + ...

`-` When + Clause: Khi..

`2`. will finish

`-` DHNB: Tonight `->` chia TLĐ

`-` `C`ấu trúc: S + will + `V`(bare)

`3`. are using

`-` DHNB: At the moment `->` chia HTTD

`-` `C`ấu trúc: S + am/is/are + V-ing + ...

`4`. went

`-` Hành động đang xảy ra thì có hành động khác xen vào `->` chia QKTD ~ QKĐ

`-` `C`ấu trúc: S + was/were + V-ing + when + S + V2/ed + ...

`5`. will replace

`-` DHNB: In the future `->` chia TLĐ

`-` `C`ấu trúc: S + will + `V`(bare)

`6`. was

`-` DHNB: Yesterday `->` chia QKĐ

`-` `C`ấu trúc QKĐ ~ dạng tobe:

(`+`) S + was/were + adj/N

`-` So + mệnh đề kết quả'

`7`. won't use

`-` DHNB: In the future `->` chia TLĐ

`-` `C`ấu trúc: S + will not/won't + `V`(bare)

`8`. forgot

`-` DHNB: Last night `->` chia QKĐ

`-` `C`ấu trúc: S + V2/ed + ...

`-` Turn off sth: Tắt thứ gì...

`9`. am looking

`-` DHNB: Now `->` chia HTTD

`-` `C`ấu trúc: S + am/is/are + V-ing

`-` Looking for sth: tìm kiếm thứ gì..

`10`. did you buy...?

`-` Hành động xảy ra trong quá khứ `->` chia QKĐ

`@` `C`ấu trúc QKĐ:

(`?`) (Wh-word) + did + S + `V`(bare) `?`