10. If he _________ (not / be) at home, I ______________ ( visit) his sister then.
11. If she _________ (not /walk) every day, she _______ (not / be) healthy enough.
12. If we win the money, we (buy) _____________ a new house. 13. If Tom ____________ (not/ water) the violets, they _________ (die).
14. If Lena _______ (not/ be) happy, she ______ (not /stay) there for a long time.
