Question `1` :

`36.`It took us five hours to get to London.

`=>`S + spent + time + Ving : ai đã dành bao nhiêu thời gian để làm gì...

`=`It took + O + time + to V : Mất bao nhiêu thời gian để làm gì...

`37.`Don't forget to turn off the TV before leaving the room.

`=>`Remember + to V : Nhớ làm gì...

`=`Don't forget + to V : Đừng quên làm gì...

- Dịch : Đừng quên tắt ti vi trước khi rời khòi phòng.

`38.`Biogas will be used for cooking soon.

`=>`Cấu trúc bị động với thì tương lai đơn : S + will/ won't + be Vpp + (by O)

`39.`They are going to invite him for dinner tonight.

`=>`S + plan(s) + to V_inf : Ai lên kế hoạch để làm gì...

`=`S + be going to + V bare

`40.`It is dangerous to drive too fast.

`=>`Ving + be + dangerous : Làm gì thì nguy hiểm...

`=`It + be dangerous + to V : Điều đó nguy hiểm để làm gì...

$@Sammi$

$1$. It took us 5 hours to get to London.

$2$. Don’t forget to turn off the Tv before leaving the room.

·Remember $=$ Don't forget 

$3$. Biogas will be used for cooking soon.

CBĐ (simple future tense)

Cấu trúc: $S+will+Vn/d$

⇒$S+will+be+$$V_{3}$

$4$. They are going to invite him for dinner tonight.

$5$. It's dangerous to drive too fast.