Advanced Unit 5 Writing Process Passive voice

They have closed down some nuclear power plants.

=> Some nuclear power plants.............................................

They can use the electricity for lighting homes.

=> The electricity .....................

The government will subsidise new wind-turbine installations.

=> New wind-turbine installations ...

In the first stage of the process, they heat the air which will inflate the balloon.

=> In the first stage of the process, the air which will inflate the balloon ...

In tropical countries, people tend to consume more electricity in summer months.

=> In tropical countries, more electricity tends ...

Correction:

I think some problems which exist in this world can solve by money.

In my country, few schools teach students by computer but not all subjects teach by computer.

Correction:

Moreover, unnecessary restrictions should reduce by the government.

Correction:

The primary reason for their disapproval is the damage to the environment which caused by mass tourism.

Correction:

The result of this research shows that in the UK a great proportion of household tasks are doing by women.