be动词引导的一般疑问句动词引导的一般疑问句变变变变变变 Is he a student?1.He is a student.Are they friends?2.They are friends. Are you a boy? (你是个医生吗？你是个医生吗？)3.I am a doctor. (我是个医生我是个医生)一般疑问句的构成法则一般疑问句的构成法则：1.一一提提 be 动词动词提提到句首到句首2. 二变二变 大小写大小写 、人称、人称3. 三问号三问号 句子末尾加问号句子末尾加问号一般疑问句答语：一般疑问句答语：肯定回答：肯定回答： Yes,主语主语+be (am/ is/ are). 注意：简略回答时不能用缩写形式注意：简略回答时不能用缩写形式 否定回答：否定回答：No,主语主语+be (am/is/are )+not .注意：必须用缩写形式。注意：必须用缩写形式。主语是主语是I时用缩写时用缩写Im not.1.I am from England. Are you from England? Yes, I am./ No, Im not.2. Im a girl. Are you a girl? Yes, I am. No, Im not.3. Were fourteen years old. Are you fourteen years old? Yes, we are. No,we arent.4. Hes my cousin. Is he your cousin? Yes, he is. No, he isnt. 5.Im Mr. Greens daughter. Are you Mr. Greens daughter? Yes, I am. No, Im not.6.Grace is a doctor. Is Grace a doctor? Yes, she is. No, she isnt.Thank you!