形容词adj.1.两...(都),两个...(都)Both his eyes were seriously burned.他的双眼都严重烧伤了。代词pron.1.两者(都);两个(都);双方(都)Why not buy both?为什么不把两件都买下?副词adv.1.并;又;两者皆We like Amy and Phil both.艾米和菲尔两个我们都喜欢。连接词conj.1.既...且...;...和...都The prospects both excited and worried me.这前景即使我激动又令我忧虑。both是说两者都怎么样,是指两者的, both的用法有两种,它可以和名词、代词连用,也可以和动词连用,在句中作主语、宾语及同位语,也可作定语 both当形容词的时候,有 both of the boys=both boys =both the boys(两个男孩都...) 接代词的时候是 both of us=we both(我们都...) 当both做副词的时候,放在Be动词,助动词,情态动词之后,行为动词之前 比如说 We both like English. We can both sing.另外,both 也构成短语both...and...(两者都...) 比如Both Tom and Tina like English.(Tom和Tina都喜欢英语) 切记这里的“like”必须用复数形式。