一般把连接词与连接语分为以下三类： 

1.表明事件发生的时间顺序： 

then, first, at once, next, after that, previously, while, when, the following day, etc. 

2.表明文章的组织结构: 

1)Listing: 

firstly, in the first place, secondly, thirdly, my next point is, last/finally, etc. 

2)Illustrating: 

for example/ for instance, to illustrate, an example/ instance of this is, let’s take….., take…. for example, etc. 

3)Re-stating: 

in other words, that is to say, to put it another way, let me put it this way, or rather, namely, etc. 

4)Referring: 

in this respect, in that connection, as we said, apart from this, etc. 

5)Resuming: 

to resume, to return to the previous point, getting back to the argument, etc. 

6)Summarizing: 

to sum up, in short, it amounts to this, what I have been saying is this, etc. 

7)Emphasizing: 

it is worth noting, I would like to direct your attention to, let us consider, we must now turn to, I shall begin by, etc.