Simple present tense

Aktif    :They borrow the book.  

Pasif     : The book is borrowed by them.

http://belajarbahasainggrisonlinegratis.blogspot.com/2012/05/kalimat-pasif-simple-present-tense.html

Simple past tense

Aktif     : They bought the cars.

Pasif     : The cars were bought by them.

 http://belajarbahasainggrisonlinegratis.blogspot.com/2012/06/normal-0-false-false-false.html

Simple Future

Aktif    : Tono will fly a kite.

Pasif    : A kite will be flown by Tono.

http://belajarbahasainggrisonlinegratis.blogspot.com/2012/06/kalimat-pasif-simple-future-tense.html

Present Continuous Tense

Aktif    : She is reading the English book.

Pasif    : The book is being read by her.

http://belajarbahasainggrisonlinegratis.blogspot.com/2012/06/kalimat-pasif-present-continuous-tense.html

Simple Perfect Tense

Aktif    : I have eaten the cake.

Pasif    : The cake has been eaten by me.

http://belajarbahasainggrisonlinegratis.blogspot.com/2012/06/kalimat-pasif-present-perfect-tense.html