1. I'm studying very hard at the moment pass my exams next month. to
for
so as not to
2. I went to bed early I wouldn't be tired in the morning.
in order not to
so that
so as not to
3. I have to get up early. I set the alarm for five o'clock oversleep.
in order not to
so as to
in order to
4. I'll be ready you are.
so
as soon as
in order to
5. We'll stay here she returns.
to
for
till
6. Please, call us you arrive.
when
so that
for
7. I'm going to tell her she leaves.
in order to
before
so that
1. to
2. so that
3. in order not to
4. as soon as
5. till
6. when
7. before