Patterns:What,s this?It’s aWhat are these?They,reDialogues:Meeting on the CampusIn Front of the Classroom BuildingPhonetics:The Consonants of EnglishPatterns:Is this a?Is it a big one or a small one?Are these?Dialogues:In the DormitoryAt the TeaehersPhonetics:The Vowels of EnglishPatterns:This is your pen,isn’t it?Whose pen is it?Dialogues:In the ClassroomIn the Dining—haIlPhonetics:The Consonants of English(contd)Patterns:Are you a teacher。