SNAP Active and Passive Voice Questions

A large number of marginal workers were affected by the reforms.

A large number of marginal workers could have been affected by the reforms.

A large number of marginal workers could have affected the reforms.

A large number of marginal workers can be affected by the reforms.

Arjun pays the electricity bill.

Arjun had paid the electricity bill.

Arjun paid the electricity bill.

Arjun has paid the electricity bill.