`1.`Solar panels will be installed on the roof of our house next week.
`2.`Biogas will be used for cooking and heating at this time next month.
`3`.Fossil fuels won't be burned for energy in the future.
`4.`The tax on petrol will be increased to 15% next September.
`5.`The ordinary 100-wall light bulbs will be replaced with energy-saving ones.
- Bị động thì TLD
- S + will + be + VpII + (by + O) + time