Verb To Be a) Fill in with AM, ARE or IS: 1-Mary a beautiful girl. 7-I happy. 2-They very tall. 8-The sun bright. 3-Mr. Smith old. 9-The hat dirty. 4- Lucy and Mark young. 10- Mary and I friends. 5-She short and thin. 11- You and Peter ugly. 6-It my new car. 12- We pretty.