Помогите с английским языком(Conditional sentences)1) if Helen .............( study ) hard,

Помогите с английским языком(Conditional sentences)
1) if Helen .............( study ) hard, she will surely graduate
2) If Tom studies hard, he...........(pass) his examination
3) If she hurries, she...........(be able to/go) with us
4) I.........(explain) everything to John if he........(come) before I leave
5) If the weather is good next week, we.........(go) hunting
6) If you.......(decide) to go to picnic,........(call) me at the office before 5.30
7) If you...........(wash) nylon, it......(not/shrink)
8) If he ..........(go) to bed earlier, he...........(be) less tired
9) If it..........(snow) tonight,we............(have) to stay at home all day tomorrow
10) They .......(get) there on time, if they.........(leave) early