does+原形 Does she .+原形,但是三单形式的do 比如she does her homework 这种does是不是也+原形?顺便问下 ,还有哪些常用词后面加动词原形?She often does some shopping or watches TV with her family.这句话中也有does，那后面的shopping watches 不是都应该用原形么？
问题描述：
does+原形 Does she .+原形,但是三单形式的do 比如she does her homework 这种does是不是也+原形?
顺便问下 ,还有哪些常用词后面加动词原形?
She often does some shopping or watches TV with her family.
这句话中也有does，那后面的shopping watches 不是都应该用原形么？
答
do ,does ,did 后面都是加原形，
答
是的，像do does can must could did didn't doesn't don't 后面都要加原形
答
do在这里是实意动词
答
she does her homework 中的does是实义动词do的第三人称单数形式，不是does+原形这种用法。