文档介绍：Both 的用法 Both 可作形容词、代词或副词用,意思是“两个”、“双方”、“两个都”。在句中可作主语、宾语或同位语。只能修饰复数的可数名词。作主语时谓语动词用复数形式。如: Both are right. 两者都对。( 主语) I like both. 两个我都喜欢。( 宾语) Both 可参与构成名词词组,也可和动词连用,还可与 and 构成并列连词。在使用时,要注意下列几点: (1) both 和 all和 be 动词、助动词、情态动词连用时,放在它们得后面。和实义动词连用时在实义动词之前。如: They are both students. 他们都是学生。 They are both working hard. 他们两人都努力工作。 They both ran away. 他们两人都跑走了。 You can all go home. 你们都可以回家了。(2) both 和 all跟“ of短语”连用时,后接名词时 both 和 all后面可以省略 of; 后接代词时, both 和 all不能省略。例如: both ( all ) of 后的名词前却一定要有定冠词、指示代词或物主代词作修饰限定。 Both of them are workers. 他们两人都是工人。 Both of us thought so. 我们俩都这样想的。 Both of them like popular songs. 他们两人都喜欢流行歌曲。 All (of) the students are ready for class. 所有的学生都做好了上课准备。 My brother and my sister both ran to help me. 我弟弟和我妹妹都跑来帮助我。 Both her children go to the same school. 她的两个孩子在同一个学校读书。 Both men were interested in the job. 两个人都对这项工作感兴趣。 They both like swimming . Both his eyes were severely burned. 他的双眼都严重烧伤了。 Why not buy both ? 为什么不把两件都买下? both ┅ and ┅的用法 Both 可与 and 构成并列连词,连接两个性质相同并在句中作相同成分的并行结构。如: Both he and his brother are good at English. ( 连接两个主语) She can both dance and sing. ( 连接两个谓语动词) Mary is both kind and beautiful. ( 连接两个表语) both ┅ and ┅“两者都┅...”, 连接名词或代词作主语时谓语, 动词用复数形式, 不受‘就近原则’的限制。如, Both Li Ming and Wei Hua are good at English. Both you and I are students. 含 both 的句子变为否定时,是将 both 改为 neither 。如:当肯定句为 Both of the boys are clever.( 两个男孩都聪明) 时,否定句当为 Neither of th