Do you think he have a basketball?为什么是have ,而不是has

Do you think he have a basketball?为什么是have ,而不是has She does not have a basketball.为什么是have而不是has? Do you have a notebook?He has neve forgot it,i think His fat Do they have a basketball?(he) Do you think she has a healthy lifestyel?为什么 不用 have Do you have a basketball 是什么意思? Do you have a basketball?回答问题 I do not think he has.为什么要用has 不用have Do you have a basketball?No,I don't. ____has one? I think Bi 为什么Dose she have a sister用have,而不是has DO you have a basketball?这里为什么要有DO 做什么成分 1.Do you think she have a healthy lifestyle?是think have heal