Ответ:

I'm sure that Patrick will pass his exams.

Sophie is on holiday in Australia so she won't come to the party this evening.

One day , I might become an athlete. But I don't think it's likely !

We won't swim in the lake tommorow. It's too cold.

They will go to the mountains if the weather is good.

If you don't phone your friend , you won't go out today.

The journey won't take long if we go by train.