1. If you (not be) busy, we could go for a walk
2.If I (have) enough money, I would have taken a taxi
3.If I were you, I (buy) a new suit
4.If (be) interested in the film, I would have gone to the cinema
5.If we (not take) the wrong turning, we would not have arrived late
6.We can not afford to go to Austria. If we (have) more money, we (go) skiing there.
7.I did not know you werein hospital. If I (know), I (go) to visit you
8.Ken got to the station in time to catch his train. If he (miss) it, he (be) late for his interview
9.Tom does not know Spanish. If he (know) it, he (help) us to translate this article
10.It is good that you reminded me about Ann,s birthday. I (forget) it if you (not remind) me.