1,并列連詞
and 和,那么,漸漸;
or 或,否則,不管是…,還是;
but 但是,而是,的確…但;nor 也不
so 也是,因此,所以,那么,這樣看來;
for 因為(表示推測),由于;

2,相關連詞
both A and B 既是A又是B;
either A or B 不是A 就是B;
neither A nor B 既不是A也不是B ,兩者皆非;
not only A but also B 不但A而且B;
A as well as B 不但A而且B , 與,和;

3,準連詞
而且 besides, furthermore, moreover, in addition;
然而 yet, still, however, nevertheless;
否則 else, otherwise;
因此 所以 thus, hence, therefore, accordingly, consequently;

4,引導名詞從句的連詞
從屬連詞 that, whether, if;
疑問連詞 what, which, who/whom/whose;
疑問副詞 when, where, why, how;
復合關系代詞 whatever, whoever, whomever;

5,引導定語從句的連詞
關系代詞 who (whom whose), which, that, as;
關系副詞 when, where, why;
關系形容詞 which, whose…

6,引導狀語從句的連詞
表示時間 when, while, as, till, whenever, since, as soon as…
表示條件 if, unless, as long as, in case, if only, on condition…
表示結果 so…that , such…that (如此…以至于);
表示目的 that, so that, in order that; lest, for fear, in case;
表示原因 as, because, now (that ), seeing (that), since…
表示讓步 whether…or, notwithstanding, though, for all that…
表示地點 where, wherever, everywhere, anywhere
表示方式 as, as…so, as if, according as;
表示比較 than, the more… the more…, as…as…, not so…as;?