1.I would have found the house easily if he(give) ...  me the correct address
2.The man would have saved if a helicoppter(be)  avilable
3.If he (get) one more mark,he would have pass the exam
4.If you had done as I told you,you(succeed)
5.If i(repair) my car earlie,I could have driven you to London
6.If the weather forecast(be)  different we could have stayed at home
7.If i(know) last week that she was ill I would have visited her