0 If Ann habitually sings whilst making the coffee = will sing. Because will has the meaning of insistence. She insists on singing when she makes the coffee. If two contemporaneous actions/events, of limited duration, are being described = is singing. Because contemporaneous = "at the same time" so the verb tenses must correspond. 0-
0I have no problem hearing "As Ann is making a cup of coffee, she will sing to herself" in certain contexts.02br 02br 01i00I can't wait for my monthly visit home. I'll wake up in that cozy little room at the top of the stairs. Andew will have already read the paper, so it will be sitting in a rumpled pile on the breakfast table. As Ann is making a cup of coffee, she wi