Put the verb into the correct form.
Andrew got to the station just in time to catch the train to the airport. If he had missed the train, he would have missed his flight.
I'm glad that you reminded me about Alan's birthday. I would have forgotten if you had not reminded me.
Unfortunately I forgot my address book when I went on holiday. If I had had your address, I would have sent you a postcard.
— How was your vacation? Did you have a nice time? — It was OK, but we would have enjoyed it more if the weather had been nicer.
I took a taxi to the guesthouse, but the traffic was bad. It would have been quicker if I had walked.
I'm not tired. If I were tired, I'd go home now. I wasn't tired last night. If I had been tired, I would have gone home earlier.