4. Put the verbs into the Present Simple, Present Continuous, Past Simple, Past Continuous.

1. They ______________________ (play) football when their mother called them.
2. He _____________________ (not, believe) in ghosts.
3. What ____________________ (you, do) at 7 o’clock yesterday?
4. Listen! He ________________ (play) the saxophone.
5. Tim ______________________(leave) the house at 7 o’clock every morning.
6. _______________________ (they, spend) their holidays in Switzerland last winter?
7. William Shakespeare often ____________ (act) in his own plays.