Complete the text with the correct forms of the verbs in

Complete the text with the correct forms of the verbs in brackets.
If Chris (1) _________ (to pass) his exams, his parents (2) ______________ (to give)
him 100. Chris (3) _______________ (to buy) a tent if his parents (4) __________
(to give) him 100. If Chris (5) __________(to buy) a tent, he (6) __________(to go)
camping. Chris (7) ____________(to have) a good time camping if it (8) __________
(not / to rain). If it (9) ____________ (to rain), Chris (10) _________________ (not /
to be) _____________ happy. Chris (11) __________________ (to go) home early if
he (12) _____________________ (not / to be) happy.