Exercise 1 put the following sentences into the passive voice: a) 1. they often invite me to their parties. 2. people speak english in different pats of the world. 3. one uses milk for making butter. 4. we form the passive voice with the help of the auxiliary verb “to be”. 5. they build a lot of new houses in this district every year. b) 1. they built this house in 1950. 2. somebody locked the front door. 3. someone broke my pen last night. 4. they punished the boy for that. 5. they finished their work in time. c) 1. people will forget it very soon. 2. they will translate this book next year. 3. they will tell you when to come. 4. where will they build a new library? 5. someone will ask him about it.