实义动词；eat,run.drink.look.listen.等 情态动词can could will would shall should may might must need ought 助动词 am is are was were been do does did done 介词 in on to under below up for off down 等 副词very so well carefully quickly fairly often always 等
实义动词；eat,run.drink.look.listen.等 can could will would shall should may might must need ought am is are was were been do does did done in on to under below up for off down 等副词very so well carefully quickly fairly often always
赞
