考研英语中常用的连词主要包括以下几种：
1. 表原因：because, since, as, for, due to, owing to
2. 表结果：so, therefore, thus, consequently, as a result
3. 表条件：if, unless, provided that, on condition that
4. 表对比：but, however, whereas, while, yet
5. 表转折：although, though, despite, in spite of, even though
6. 表时间：before, after, when, while, as soon as, once
7. 表地点：where, wherever, near, far from
8. 表目的：in order to, so as to, for the purpose of
9. 表方式：as, like, in the same way as, just as
10. 表举例：for example, for instance, such as
通过熟练掌握这些连词，考生可以在考研英语作文中更加准确地表达自己的观点和逻辑关系。
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