Past participle (3rd form)
Change into passive
Make an active sentence
Is the sentence correct?
Find a mistake
100

catch

catch - caught - CAUGHT

100

The teacher explains the lesson.

The lesson is explained by the teacher. 

100

The cake was baked by Mary. 

Mary baked the cake.

100

English is spoken in many countries.

YES!

100

The windows are cleaning by the maid.

The windows are cleaned by the maid.

200

think

think - thought - THOUGHT

200

They built the house last year.

The house was built last year.

200

The letter will be written by John. 

John will write the letter.

200

The show will direct Ben.

NO! 

The show will be directed by Ben. 

200
The homework is did by Tom and Peter.

The homework is done by Tom and Peter.

300
ride

ride - rode - RIDDEN

300

You must pay the bill first.

The bill must be paid first.

300

The window pane has been broken by the dog.

The dog has broken the window pane.

300

The song is singing by the choir. 

NO!

The song is sung by the choir.

300

The dishes are wash by Tina every evening.

The dishes are washed (by Tina) every evening. 

400

swim

swim - swam - SWUM

400

The students were studying English.

English was being studied (by the students).

400

He was told not to talk in class. 

The professor/His classmates/Someone told him not to talk in class.

400

Your impolite tone is suprised by me. 

NO!

I am surprised by your impolite tone.

400

The concert will attended by many people.

The concert will be attended by many people.

500

shake

shake - shook - SHAKEN

500

She would have told you (if there had been a problem).

You would have been told (if there had been a problem). 

500

The movie was being watched.

They were watching the movie.

500

A new bridge across the river is being built. We just have to wait.

YES!

500

The mistake should have never being done! 

The mistake should have never been done!