1, if he hadn't drunk too much wine at the party, john could have driven home
2, if we had taken along the raincoats , we wouldn't have got wet
3, if we had had the city map, we would not have got lost
4, if he hadn't driven too fast, he could not have got a speeding ticket.
5, if my sister hadn't been ill, she could have attended the meeting
6, if tom had got a flu, he would have attended the meeting
7, if there hadn't been suddenly storm, we could have finish the work
8, if there hadn't been too many dark clouds around the plane , it could have landed safety
9, if my mother hadn't got a headache, she could have gone to work.