Odpowiedź:
1.If the train is late, we will walk .
2.She will call you if she has time.
3.If it costs too much, I will buy a smaller one.
4.If the doctor cant see me, I wii go somewhere else.
5.If the class is full, we will find another one.
6.What will we do if the taxi doesn't come ?
7. will you phone me if there are any problems?
8.I will ask Peter if I see him tomorrow.
9.I will go next week if I can get a train ticket.
10.If I have to, I will complain to the manager.
11.If he sees me here, he will be really angry.
12.Mary will be worried if you don't come to the airport.
13.If it snows this winter, we will go skiing.
14.I will lend them some money if they ask me.
15.If you visit Oxford, you will see some interesting old buildings.
Wyjaśnienie:
w 1 trybie warunkowym formuła IF + Present Simple, Future Simple