be (FUTURE)
strong 





weak 







verb [+
to infinitive] being, was were, been
1 FORMAL used to show that something will happen in the future:
We are
to (= We are going to) visit Australia in the spring.
She was
never to see (= She never saw) her brother again.
2 used in
conditional sentences to say what might happen:
If I were
to refuse they'd be very annoyed.
FORMAL Were I
to refuse they'd be very annoyed.
(from
Cambridge Advanced Learner's Dictionary)