Simple Present -> Simple Past :
Active : The article discusses the effects of unemployment.
Passive : The effects of unemployment are discussed in the article.
Simple Past -> Past Perfect :
Active : A The company made a huge profit.
Passive : A huge profit was made by the company.
Present Perfect -> Past Perfect :
Active
: The class has decided that everyone
should get an "A."
Passive :
It has been decided by the class that
everyone should get an "A."
Question
YES/NO :
Active
: Have you seen Tom recently?
Passive : He wanted to know if I had seen Tom
recently.
Question WH :
Active : What did the kids eat?
Passive : He wondered what the kids had eaten.
