form now on, from then on,

　　at the same time, meanwhile,

　　till, not…until, before, after, when, while, as during,

　　表示解释说明

　　now, in addition, for example, for instance, in this case, moreover

　　furthermore, in fact, actually

　　表示转折关系

　　but, however, while, though, or, otherwise, on the contrary, on the other

　　hand, in contrast, despite, in spite of, even though, except (for), instead, of course, after all,

　　表示并列关系

　　or, and, also, too, not only … but also, as well as, both… and, either …or, neither …nor

　　表示因果关系

　　because, because of, since, now that, as, thanks to…, due to…, therefore, as a result (of), otherwise, so…that, such…that

　　表示条件关系

　　as (so) long as, on condition that, if, unless

　　表示让步关系

　　though, although, as, even if, even though, whether …or…, however, whoever,

　　whatever, whichever, wherever, whenever, no matter how (who, what, which, where, when, whom)

　　表示举例

　　for example, for instance, such as…, take… for example

　　表示比较

　　be similar to, similarly, the same as, in contrast, compared with (to)…just like, just as,

　　表示目的

　　for this reason,, for this purpose, so that, in order to, so as to,

　　表示强调

　　in deed, in fact, surely, certainly, no doubt, without any doubt, truly, obviously, above all,

　　表示概括归纳

　　in a word, in short, in brief, on the whole, generally speaking, in my opinion, as far as I know, As we all know, as has been stated, as I have shown, finally, at last, in summary, in conclusion,

　　(三)掌握常用句型：

　　台湾英语资源网 http://www.esl.tw 里面有很多，下面只列举比较常用的。