1. Before you leave, don`t forget to shut the windows.
2. I`ll phone you as soon as I arrive in London.
3. Please don`t touch anything before the police come.
4. Everyone will be very surprised If he passthe examination.
5. When you see Brian again, you won`t recognise him.
6. We won`t start dinner until Jack arrive.
7. Will you be lonely without me while I am away?
8. If I need any help, I`ll ask you.
9. Come on!Hurry up! Ann will annoyed If we are late.