1) Less electricity will be used by our in the future

2) Public transport will be used by the students in my school when travelling long distances

3) The lights will be turning off when leaving a room or going to bed

4) A great deal of energy will be offered by the wind power next century

5) Sources of energy will be used more effectively for our future

6) The use of biogas will be increased for cooking

II

1/ this time tomorrow/ English/ They/ will/ be learning

⇒  This time tomorrow they will be learning English.

2. Solar energy/ in the world/ by many countries/ will be used/.

⇒ Solar enery will be used by many countries in the world 

3. to another/ How/ you travel from / will/ one place/?

⇒ How will you travel from one place to another? 

4. to save/ will reduce/ our energy/ the use of electricity/ We/.

⇒ We will reduce the use of electricity to save our energy

`1` Less electricity will be used in the future.

`2` Public transport will be used by the students in my school when travelling long distances

`3` The lights will be turned off when leaving a room or going to bed. 

`4` A great deal of energy will be offered by the wind power next century

`5` Sources of energy will be used more effectively for our future

`6` The use of biogas will be increased for cooking

`->` Câu BD thì TLD

S + will be + Vpp+ (by+ O ) 

II.

`1` This time tomorrow they will be learning English.

`->` Thì TLTD 

S+ will be + Ving + O 

`2 ` Solar enery will be used by many countries in the world 

`->` Câu BD thì TLD

S + will be + Vpp+ ...

`3` How will you travel from one place to another? 

`4` We will reduce the use of electricity to save our energy