is not do not does not 的区别
问题描述:
is not do not does not 的区别
答
is not do not does not 的区别其实是动词和主语的否定式的区别be动词的否定式,He is reading-->He is not reading.实义动词,且不是第三人称单数,转换成否定式The students like to play football->The students ...