Conditionals

6.________________you ____________(ask)John to bring some water for the teacher if you ____________(see) him in the corridor?
7.I ______________(do) it if you ______________(ask) me.
8.She _____________(win) the race if she _____________(try).
9.It's a special design.The car _____________(start) unless all the doors _________(be) closed.
10.If you ____________(boil) water, it ____________(become) hot.