Complete the sentences with the correct forms of the verbs in

Complete the sentences with the correct forms of the verbs in brackets.
3. The telephone rang while I __________(to have a shower)
5. I know that when I leave school, I ________________(to work) for my family's company.
6. I think that we ________(probably/to win) but you never know.
7. I can't talk now, I __________(to have) a meeting with Marion in ten minutes.
8. If you __________(not/ to switch off) the computer properly, you will have problems.