That seems to be BE. I would say she can make it there by three, which I think is pretty typical AE.
We also use 'make it'. ;-)
We might say she can be there by three, but I am not so sure of at three.
They're different to me- one sets a limit, the other just gives a possible arrival time. ;-)
after modal verbs u must use infinitive without to....(gosh very soon i'll be a gold queen:DDDDD)
Modal verbs are usually followed by short infinitives
e.g.He can be of help whenever you want.
i think its be
yeah me too it`s be ;-)
CAN is a Modal Auxiliary Verb and They can not be used with the preposition TO and the Structure of CAN is:
Subject + Can + Main verb
I + can + play tennis.
The main verb is always the bare infinitive (infinitive without "TO")