Change the sentences info Passive voise

1) The students often write the tests

2) He will send the letters tomorrow

3) The workers built a house a month ago

4) A girl made dresses yesterday

5) I read books every evening

6) We will see the film next week

1) The tests are often written by the students.

2) The letters will be sent by him tomorrow

3) A house was built a month ago by the workers

4) Dresses were made by a girl yesterday

5) Books are read by me every evening

6) The film will be seen by us next week