`1` Solar energy will be used by many countries in the world .

`2` The hydro power station will be visited by the students tomorrow . 

`3` We will be given a 45 - minute text by the teacher next Friday . 

`4` The use of biogas wwill be increased for cooking by people in the countryside 

`5` The solar panels will be installed on the roof of their house 

`@` Câu chủ động của thì Tương Lai Đơn : 

`+` S + will + V nguyên + O 

`-` S + won't + V nguyên + O 

`?` Will + S + V nguyên + O ?

`@` Câu bị động của thì Tương Lai Đơn : 

`+` S + will + be + Ved/V3 + ( by O ) 

`-` S + won't + be + Ved/V3 + ( by O ) 

`?` Will + S + be + Ved/V3 + ( by O ) ? 

`1.` Solar energy will be used by many countries in the world.

`2.` The hydro power station will be visited by the students tomorrow . 

`3.` We will be given a 45 - minute text by the teacher next Friday . 

`4.` The use of biogas will be increased for cooking by people in the countryside.

`5.` The solar panels will be installed on the roof of their house.

`+` Cấu trúc câu bị động - thì Tương lai đơn: S + will + be + PII + (BY  O)

`@` Khi by + O là by us, by them, by people, by someone, by somebody, by buiders.....thì ta bỏ đi không sử dụng trong câu bị động.