常用的关联词分为十一大类： 1.Additionin addition，and，similarly，likewise，as wellas，besides，furthermore，also，moreover，and then，too，not only …… but，even，besidesthis/that 2.Sequence first(ly)，initially，second(ly) etc.，to beginwith，then，next，arlier/later，after this/that following this/that，afterwards 3. Consequence as a result，thus，so，therefore，constantly，it followsthat，thereby，eventually，then，in that case，admittedly 4. Contrast however，on the other hand，despite，in spiteof，though，although，but，on thecontraryotherwise，yet，instead of，rather，whereas，nonetheless，even though，comparedwith，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 8. Summary in conclusion，in summary，lastly，finally，to sum up，to conclude，torecapitulate，in short 9. Example for instance，one example，for example，just as，in particular，such as，name toillustrate 10. Reason since，as，so，because(of)，due to，owing to，the reason why，in other words，leadsto 11. Time before，since，as，until，meanwhile，at the moment，when，whenever，as soon as，justas