Unit 1 This is my teacher.
Unit 2 Is this your book?
Unit 3 Her pen is red.
Unit 4 Whose football is it?
Unit 5 It's my skirt.
Unit 6 It's on your head.
Unit 7 Where are my shoes?
Unit 8 Where is Billy?
Unit 9 I'm late.
Unit 10 It's time for dinner.
Unit 11 It's time to play ping-pong.
Unit 12 The football game.