Create tweens in for-loop?

How can I create several tweens with different names in a for-loop?

I want to create one tween named tween0, one tween named tween1 etc. up to tween9.

Like this: (This doesn’t work)

for(i=0; i<10; i++) {
   var ["tween" + i]:Tween = new Tween(...);
}

Any ideas?