Use past simple or past perfect : 1. when i (get) to the cinima the film (start). 2. the students (do) the exercise very well after the teacher (show) them how to do. 3. the little boy (tell) a lie five minutes after he (promise) to tell the truth.

1. When I got to the cinima the film had started.2. The students did the exercise very well after the teacher had showed them how to do.3. The little boy told a lie five minutes after he had promised to tell the truth.