1. If it (not pour)_____doesn't pour______with rain tomorrow, we can (go)___go_______on a picnic
2. If James (start)___starts_______to cook now, dinner (be)___will be______ready in one hour.
3. If Jane (not make) ____doesn't make______it the meeting on time, her manager may (get)_____get______ very angry.
4. If they (be)___are_______ occupied this weekend, they can (not come)_____not come_____to my house for dinner.
5. You must (not leave)____not leave________ the house unless I (allow) _____allow______ you to go
6. Peter (just waste)​__will just waste________ his money if he (take)_______takes_________ a course in this English center.
7. If he (be) _____is______late, he can (not buy)_____not buy______ the tickets.
8. Unless she (pay)______pays________ more attention to the lesson, she (fail) _____will fail_______ the test.
9. It (be)___will be________late if you ( not start) _____don't start______your work now.
10. My mother (not permit) ____won't permit________ me to go out unless I (promise) ___promise________ her to come back before 10.