Not only... but also 的用法是什么

"Not only... but also" 是一个常用的英语连词结构，用于强调两个或多个事物之间的相似性或相关性，这个短语可以用来连接两个主语、宾语、表语或状语，表示“不仅………”的意思，在使用时，需要注意以下几点：

1. 当 "not only" 和 "but also" 连接两个主语时，谓语动词应该与靠近它的主语保持一致。

   • Not only she, but also I am a student. (错误)
   • Not only she but also I are students. (正确)

2. 当 "not only" 和 "but also" 连接两个宾语时，谓语动词应该与靠近它的宾语保持一致。

   • He not only likes apples, but also oranges. (错误)
   • He not only likes apples but also likes oranges. (正确)

3. 当 "not only" 和 "but also" 连接两个表语时，系动词应该与靠近它的主语保持一致。

   • The book is not only interesting, but also informative. (错误)
   • The book is not only interesting but also informative. (正确)

4. 当 "not only" 和 "but also" 连接两个状语时，谓语动词应该与靠近它的主语保持一致。

   • He works not only in the morning, but also in the evening. (错误)
   • He works not only in the morning but also in the evening. (正确)

5. 当 "not only" 和 "but also" 连接两个分句时，第二个分句中的谓语动词应该与第一个分句中的主语保持一致。

   

   • She not only studies hard, but also helps her friends with their homework. (错误)
   • She not only studies hard but also helps her friends with their homework. (正确)

在使用 "not only... but also" 这个短语时，要注意保持句子的语法一致性。