$#Hy$

*Notes: Nơi chốn trước `by` - thời gian sau `by`

`1) They can't make tea with cold water

`=>` Tea won’t/ couldn’t be made with cold water

`2)` The students will hold a meeting before the teacher's day

`=>`  A meeting will be hold by the students before the teacher's day

`3)` They should send app locations before December 30th

`=>` App locations will/should be sent before December 30th

`4)` People can recycle tires to make piper or floor covering

`=>` Tires could/will be recycled to make piper or floor covering

`5)` The manages must sign the contract today

`=>` The contract must be signed by the managers today

`6)` The(?) will build the new bridge by the end of the year

`=>` The new bridge will be built by the end of the year

`7)` We should use cloth bags instead of plastic bags

`=>` Cloth bags should be used instead of plastic bags

`8)` We can use the garbage to make fertilizer

`=>` The garbage will/could be used to make fertilizer.

Bị động TLĐ: S + will/ should/ must/ could + (not) + be + V_pp