The laboratory assistant

(prepare) the experiment by seven p. m. yesterday.

Our life

(change) greatly with the appearance of electricity.

Students

(pass) their exams by last Tuesday.

The teacher

(examine) our tests by next week. поставить правильную форму глагола

пассивный заолог

1. The experiment was prepared by the laboratory assistant by seven p. m. yesterday.

2. Our life has been changed greatly with the appearance of electricity.

3. The exams were passed by the students by last Tuesday.

4. By next week our tests will have been examined by the teacher.

1. prepared - was prepared

2. has changed - has been changed

3. passed - was passed

4. will examine - will be examined