I'm not sure if you meant "The boys are pulling the rope" or "The boy is pulling the rope" but the answer is either "The rope is being pulled by the boys" or "The rope is being pulled by the boy" respectively.
When could is used it refers to an ability that <span>a person generally had in the past or to something that was generally possible in the past, can is present.
I could wash the dishes for you. (having the ability to do it)
I can wash the dishes for you. (its actually going to be done)
hope this helps you! :-)</span>
The acme that got married with the tradedian was not for her in this worldshe felt that she wud take here place with a certain digntiy
I believe B. Whales swim for long distances underwater, and they regularly surface to breathe.
