Need some help

i have been learning some flash cs3 still behind , my question is

i am on a timeline on frame 10 with a stop , i want to play frame 11 to remove ( play out movie clip) the movie clip using time line tween and the go to frame 20 and play the next movie clip and stop at frame 25

so far i can get to the frames to start the tweens with

function onHomeClick(e:MouseEvent):void
{
gotoAndStop(“somos”);

but then before going to next frame will like to play the one i am out and then go to the next one , i think this is not to clear but need some help please ,

thank you all , did spend 2 days looking all over the forum but no luck ,
thank you again .