A: May I come in?

B1; I'm afraid not.
B2: I'm afraid so.

What is the full form of each B?

B1: I'm afraid that you may not come in.
B2: I'm afraid that you may come in.
(Are they the full forms of B1 and B2?)

A: May I come in?

B1; I'm afraid not.
B2: I'm afraid so.
What is the full form of each B?

B1: I'm afraid that you may not come in. yes
B2: I'm afraid that you may come in. yes
(Are they the full forms of B1 and B2?)