一、表原因的連詞：

as, since, due to, owing to

二、表結果的連詞

hence, therefore, thus, as a consequence, consequently, so that

三、表目的的連詞

thereby, in order to

四、舉例關係中用的連詞

take... for example, for instance, such as, this point is best illustrated with the example of ...

五、類比與對比關係時用的連詞

similarly, likewise,while, whereas, in contrast

六、讓步關係中用的連詞

despite, in spite of, notwishstanding, nonetheless, nevertheless, even though, albeit, as long as

七、假設關係中用的連詞

otherwise, provided that, unless

八、限定關係

in terms of, as for, when it comes to, regarding, concerning