If we had gone to the cinema, we would have seen an interesting film
If he had owned a camera, he would have taken a picture
If she had had a ticket, she would have gone to the concert
4-
I would not have called Rose, if I had lost her number
If you had learned more words, you would have written a good report
If you had taken the bus to school, you would have arrived on time
He would have drunk the lemonade, if he had been thirsty