Odpowiedź :
Odpowiedź:
1 They didn't reach the North Pole because they ran out of food.
If they hadn't run out of food, they would have reached the North Pole.
2 I was tired yesterday, so I didn't go out with my friends.
I would have gone out with my friends if I hadn't been tired yesterday.
3 It took us ages to get to the airport because there was a lot of traffic.
It wouldn't have taken us ages to get to the airport if there hadn't been a lot of traffic.
4 Ann didn't phone me, so I didn't know about her problems with the equipment.
If Ann had phoned me, I would have known about her problems with the equipment.
5 He had an accident in the mountains and had to go to hospital.
If he hadn't had an accident in the mountains, he wouldn't have had to go to hospital.
6 Gina didn't use a mosquito net, so a mosquito bit her and she became ill with malaria.
I Gina had used a mosquito net, a mosquito wouldn't have bitter her and she wouldn't have become ill with malaria.
7 Joe didn't wear warm clothes last weekend, so he caught a cold.
Joe wouldn't have caught a cold if he had worn warm clothes last weekend.
8 We didn't reach our destination because the weather conditions were very bad.
We would have reached our destination if the weather conditions hadn't been very bad.
Wyjaśnienie: