常用的关联词分为十一大类：
　　
1. Addition
　　
in addition，and，similarly，likewise，as well as，besides，furthermore，also，moreover，and then，too，not only … but，even，besides this/that
　　
2. Sequence
　　
first（ly），initially，second（ly） etc.，to begin with，then，next，arlier/later，after this/that following this/that，afterwards
　　
3. Consequence
　　
as a result，thus，so，therefore，consequently，it follows that，thereby，eventually，then，in that case，admittedly
　　
4. Contrast
　　
however，on the other hand，despite，in spite of，though，although，but，on the contrary

otherwise，yet，instead of，rather，whereas，nonetheless，even though，
　　
compared with，in contrast，alternatively
　　
5. Certainty
　　
obviously，certainly，plainly，of course，undoubtedly
　　
6. Condition
　　
if，unless，whether，provided that，for，so that，whether，depending on
　　
7. Definition
　　
is，refers to，means，that is，consists of

来源:可可英语 //m.moreplr.com/ielts/201006/107065.shtml