a) The adjective using verb + –ing is usually placed before the noun it modifies.
Some nations are experiencing a dwindling population due to very low birth rate.
There are people who doubt the disappearing rain forest contributes to global warming.

b) The verb + –ing form can be used after possessive adjectives.
We do really appreciate your helping to get all this work done.
I will not tolerate his behaving in that manner again.
She said she doesn't mind our going over to her place for a drink.