Active Practice on The Passive

• He is believed never to have loved anyone. (= They believe he (has) never loved anyone.) 

• She is known to have been writing songs for a long time. (= They know she has been writing/was writing songs for a long time.)

• Steve was assumed to have left the day before. (= They assumed Steve had left the day before.) 

• The organisers were thought to have been preparing for days. (= Everybody thought the organisers had been preparing for days.) 

• This painting is known to have been painted by Pablo Picasso. (= They know that the painting was painted by Pablo Picasso. / They know that Pablo Picasso painted it.) 

• America was thought to have been discovered by Columbus. (= People thought that America had been discovered by Colombus. / People thought that Columbus had discovered America.)

Presentacion passive from Chemka

Visit this blog for a Spanish explanation :-)

Further practice  HERE


D.