考研英文复杂句主要涉及以下几种类型：
1. 定语从句：如 "The book, which was published last year, is very popular among students."
2. 状语从句：包括时间状语从句（如 "When the bell rings, we start our class."）、条件状语从句（如 "If it rains, we will cancel the outdoor activity."）、原因状语从句（如 "Because she was late, she missed the meeting."）等。
3. 宾语从句：如 "He said that he would finish the work on time."
4. 同位语从句：如 "The news that he had won the prize was announced at the meeting."
5. 倒装句：如 "Only after he finished his homework did he go out to play."
6. 强调句：如 "It was not until yesterday that I realized how important it was."
7. 插入语：如 "In fact, he is not very good at English."
通过掌握这些复杂句型，考生可以在考研英语作文和阅读理解中更好地表达自己的观点和理解文章内容。
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