Put the verbs in brackets into the correct tense.

1. If you had locked the door, the burglars ................(not/get) in.
2. Were I you, I ........................ (put on) some warmer clothes.
3. Joan ....................... (be able to) come to the party if she wasn't working.
4. Had I heard any news, I ..................... (tell) you immediately.
5. Paul................... (ruin) his shirt if he climbs that tree.
6. If Mark ............. (be) younger, he could join the army.
7. She would have stayed at home if she ............. (know) there would be so much traffic.
8. Should he ................. (get) this job, he will be able to buy his own flat.
9. If you ................. (put) your keys in your pocket, you wouldn't have lost them.
10. She will be here at eight unless she .............. (lose) her way.