What is the difference between the two sentences given below?
a) We do not have time to watch the squirrels hiding their nuts in grass.
b) We do not have time to watch the squirrels hide their nuts in grass.
Other examples:
I watched her dance/dancing gracefully on the stage.
I saw you pack/packing the bag in hurry
I watched her graceful dance/dancing on the stage.
My question is with reference to the verb forms.