1 Transform the sentences into the Passive Voice.
1) Frank built a house.
2) A mechanic did not repair the DVD recorder.
3) Sue puts her rucksack on the floor.
4) They lost the match last week.
5) Grandmother tells good stories.
6) She checks her mail every morning.
7) Sue will look after the children tomorrow.
8) Mary doesn’t take her children to the cinema every week.
2 Correct the mistakes.
1) A new student introduced to our class yesterday.
2) A prize gives to whoever solves this equation.
3) After an hour and a half the essay wrote.
4) Algebra and Geometry are teach in the seventh form.

Объяснение: 1.  

                    1) House was built by Frank.

                    2) The DVD recorder wasn't repaired by a mechanic.

                    3) Rucksack is put on the floor by Sue.

                    4) The match was lost last week by them.

                    5) Good stories are told by Grandmother.

                    6) The children will be looked tomorrow by Sue.

                    7) The children aren't took to the cinema every week by Mary

                2.

                    1) A new student WAS introduced to our class yesterday.

                    2) A prize WILL BE GIVEN to whoever solves this equation.

                    3) After an hour and a half the essay WAS WRITTEN.

                    4) Algebra and Geometry are teachING in the seventh form.