1 When have/has is used as a substantive verb, to change it into a general question, add do/does at the front of the sentence (use Does for the third person singular), and use the base form (have) of the following verb.

The affirmative answer is: Yes,. do/does The negative answer is: No,...don't/doesn't. Such as 1) Hehaslunchathomeeveryday. General question: Does shehavelunchathomeeveryday? The affirmative answer: Yes, hedoes. The negative answer: No, hedoesn' t.2) TheyhaveanEnglishlessoneveryday.General question: DotheyhaveanEnglishlessoneveryday? Affirmative answer: Yes, they do. Negative answer: No, theydon't.2.have/has is an auxiliary verb in the present perfect tense. When changing into a general question, just use have/ Has mentioned that the affirmative answer before the sentence is: Yes,.have/has. The negative answer is: No,.haven't/hasn't. Sometimes the negative can also be used as a simple answer: Notyet. For example, 1) Hehasfinishedhishomework. General question: Hashefinishedhishomework? Affirmative answer: Yes, hehas. Negative answer: No, hehasn't. Or Notyet. 2) WehavebeentoBeijing. General question: HaveyoubeentoBeijing? Affirmative answer: Yes, wehave. Negative answer: No, wehaven't. Or Notyet.3) Theyhavehadsupper .General questions: Have they had upper? Affirmative answer: Yes, they have. Negative answer: No, theyhaven't. or Notyet.