Put the verbs in brackets into the present continuous, present simple, past simple or past continuous. 1. I ...was cleaning... (clean) the windows when the telephone ... (ring). 2. 'What is that noise?' 'James ... (repair) his bike at the moment.' 3. He ... (read) a book when his mother ... (call) him. 4. ... (be) you busy?' 'No, what (you/want) me to do?' 5. They ... (sing) while we ... (play) some music. 6. Susan is a nurse. She usually ... (work) at night.