1099-B would go on Screen 17

1099-C = well, that's a bit complicated

1099-A = also a bit complicated

1099-G = Screen 14.1 (but that really should proforma for you

1099-Misc = Might be Screen 16, or 18, or even 14.2 depending on which box is completed on the "1099"

Guess we need more info?