1. The snow is falling outside now .Is the snow falling outside now ?2.Who is swimming across the river now ?3.The sun is shining brightly now . Is the sun shining brightly now ?4.Who is playing basketball at the sport ground now ?5.His father is going on a business trip now . Is his father going on a business trip now ?6.Who is putting books into the school-bag now ?7.What language those men are speaking now ?8.They are not going to listen to the opera now . Are not they going to listen to the opera now ?9.Whom are you waiting for now ?10.Are you gathering mushrooms or berries here now ?