Can 是助动词,can后面的动词要原形 he plays piano.原来的句子 he can play piano.动词【plays】还原变成【play】 can he play the piano?can 后面的动词还原 he cannot play the piano can't he play the piano? 所有助动词后面的动词都要是原形的
不用,can是助动词,句中动词用原形 简单说:看见can,动词就用原形哦,那个如果不是Can 呢额,看情况的。你举个例子? 一般疑问句中助动词提前,动词都要变原形 例如:He plays the guitar. Does he play the guitar? 句中does为助动词,提前后plays要改成play...