1. When energy ___________ (come) from the wind, we call it wind energy. 2. Lan promises she ___________ (finish) her homework tonight. 3. The people in this district ___________ (use) solar energy to replace energy from coal at the moment. 4. Last night, I was watching a documentary when the light ___________ (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?

`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) `?`