is和does的区别举例说明
问题描述：
is和does的区别举例说明
he is doing his homework.就这个句子来说改为一般疑问句用does还是is.does is都用于现在进行时吗
答
is 用于现在进行时,does 一般现在时的 助动词的单数形式该为 is hedo his homework 望采纳
举例,现在进行时：he is doing his homework now
does:does he do his homeworkis he do his homework为什么不是ing形式- -...而且不是说does后面接动词，is后是名词为什么不是dose。一般现在时和进行时的区别是什么。谢谢啊