1)
A doTarget B; A doFire B
2)
The commands you need are switchMove and playMove. Look in the Unofficial command ref in the Ed Depot for the particular animation that you want (or search the forum). The end result willl be something like
this switchMove "crouchToCombat" (syntax not guaranteed)
Never worry about asking a question that is too easy - the forum exists to help people when they get stuck. The important thing is to do your homework first: as long as you have checked the tutes and searched the FAQ and the forum, you may ask anything you want.
PS - read the sticky at the top of the forum as well