$@Mayumi$

`1.` will be made to reduce industrial pollution by government.

`2.` won't be built for energy in the future.

`3.` will be constructed in that area to produce electricity.

`4.` bills be reduced to 20% in five months?

`5.` of energy will be developed.

`6.` will be provided this time next year. 

`7.` will be found to reduce pollution by scientists in our city.

`8.` on petrol will be increased to 15% by them next September.

`9.` will be changed into electricity.

`10.` 100 - watt light bulbs with energy - saving ones shall be replaced.

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`+` Cấu trúc câu bị động - thì TLĐ: 

`(+)` S + will + be + PII + (BY  O)

`(-)` S + won't + be + PII + (BY  O)

`(?)` Will + S + be + PII + (BY  O)...?

`@`  Note: 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.