1. The government will bring electricity to remote areas next year.
(Passive…) Electricity will be brought to remote areas next year.
2. The government will be building a new school here this time next month..
(Passive…) A new school will being built here this time next month.
3. Alternative energy sources won’t replace coal, oil, and gas anytime soon
(Passive) Coal, oil and gas won't be replaced.
4. Will we use up all the world’s oil in the nest 100 years..( passive)
Will all the world's oil in the nest be used up?
5. Natural gas is cheaper and less polluting than coal.(Coal is…more polluting and more expensive that natural gas.)
6. We are trying to find cheap and clean and effective sourced of energy.(We are looking for cheap and clean and effective sourced of energy. )
7. Will solar and wind replace fossil fuels within 20 years? (Will fossil fuel be replaced within 20 years?
8. This is the second time I have visited Yaly hydroelectric power plant. (I have visited Yaly hydroelectric power plant once.
9. They built the first hydroelectric power plant in Niagara Falls in 1879..( passive)
The first hydroelectric power plant was built in 1879.
10. It’s a good idea to switch off electrical appliances when they aren’t in use.(You should switch off electrical appliances when they aren’t in use.
11. Although coal is the most polluting of fossil fuels, it is still the largest sources of energy worldwide.
Despite of being the most polluting of fossil fuels, coal is still the largest sources of energy worldwide.
12. Biogas will be being used for fuel in homes and for transport..( passive) (People will use biogas for fuel in homes and for transport.