1. We missed the train because we didn\'t hurry. - If we had hurried, we wouldn\'t have missed the train. 2. I went to the library because I needed that book. - I wouldn\'t have gone to the library, if I hadn\'t needed that book.3. We were not invited to Ann\'s birthday party. We went to the cinema now. - If we had been invited to Ann\'s birthday party, we wouldn\'t have gone to the cinema now.4. I didn\'t have an extra ticket to the theatre last night and i couldn\'t invite you. - If I had had an extra ticket to the theatre last night, I would have invited you.5. I didn\'t see the new film last week. I couldn\'t join your discussion. - If I had seen the new film last week, I could have joined your discussion.