do/did/does作为助动词时,其后的行为动词(也叫实义动词)用原形,并不是后面所有动词都用原形.例如:Did you wash your hand
Do you like swimming?
do/did/does作为助动词时,具体用于一般疑问句和陈述句的否定句中.例如:He doesn't like swimming.
do/did/does作为助动词时,其后的行为动词(也叫实义动词)用原形,并不是后面所有动词都用原形.例如:Did you wash your hand
Do you like swimming?
do/did/does作为助动词时,具体用于一般疑问句和陈述句的否定句中.例如:He doesn't like swimming.