Put the verbs in the correct form.
  1. She would visit them if she (know) their address.
  2. They would probably come if I (invite) them.
  3. If George came to the party, she (be) happy.
  4. If I (tell) them what I know, they would be shocked.
  5. If I (lose) my passport, I would have to go to the Austrian embassy.
  6. She (call) the police if she heard strange sounds in the middle of the night.
  7. If he wanted a PC, he (buy) one.
  8. She would have gone to the party if she (be) in Vienna.
  9. If you (spend) some weeks in London, you could go to all museums.
  10. If Tom (buy) this house, his wife would be happy.