Put the verbs in brackets into the present continuous, present simple,

Put the verbs in brackets into the present continuous, present simple, past continuous or past simple.
1. I (try) a coat on when my mobile telephone (ring).
2. Look! She (wear) the same blouse as you!
3. He (read) a book when his mother (call).
4. (you/be) busy now? 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.