1. While I was sleeping, ..............the phone rang............................................

2. We were shocked when ..................she entered the room.....................................

3. Before my father leaves for work, ....he had had breakfast.....................................

4. After I finish my homework, .............I will go to bed......................................

1. While I was sleeping, ..............the phone rang............................................

2. We were shocked when ..................she entered the room.....................................

3. Before my father leaves for work, ....he had had breakfast.....................................

4. After I finish my homework, .............I will go to bed......................................