What is the difference between verb 'be' and verb ' to be'.
Do they mean the same?
Is 'to be' an infinitive?
The infinitive form of the linking verb (copula) is to be.
It conjugates as follows:
I am, I was
we are, we were
he/she/it is, he/she/it was
they are, they were
be is the combining form used with modal auxilliaries:
can be, could be, will be, would be, should be, etc.