Student or Learner
Don't go to that restaurant. I'm sure you______ disappointed
a) will be
b) are going to be
I think they are equal, but the answer is a, I don't know why
The person has not been to the restaurant for a meal as yet. The speaker is saying, "If you do, then you will be disappointed."
This is future conditional.
'I've heard nothing but bad reports about the food at that restaurant. Go if you want, but I'm sure you are going to be disappointed."
I've never heard that conditional sentence type 1 cannot go with be going to
the grammar book by thomson/martinet
mentions that it is always possible to
use the going-to-future, it won't do