如何架构托福写作的逻辑?一些连接词必不可少。本文以逻辑关系分类介绍考试必背的逻辑连接词：

1.增补(Addition)

in addition， furthermore， again， also， besides， moreover， what`s more， similarly， next， finally.

2.比较(Comparison)

in the same way， likewise， similarly， equally， in comparison， just as

3.对照(Contrast)

whereas， in contrast， on the other hand， instead， however， nevertheless， unlike， even though， on the contrary， while

4.因果(Cause and effect)

because， because of， for， since， due to， owing to， thanks to， as a result(of)， accordingly， hence， so， thus

5.强调(Emphasis)

certainly， above all， indeed， of course， surely， actually， as a matter of fact， chiefly， especially， primarily， in particular， undoubtedly， absolutely， most imprtant

6.让步(Concession)

although， though， after all， in spite of， nevertheless， still， provided， while it is true...

7.例证(Exemplification)

for example， for instance， that is， namely， such as， in other words， in this case， by way of illustration.

8.总结(Conclusion)

to sum up， to conclude， in a word， in short， in brief， all in all， in all， to put it in a nutshell， in summary

9.推断(Inference)

therefore， as a result(of)， consequently， accordingly， so， otherwise

10.时间和空间(Time and space)

afterward， after， first， later， then， soon， outside， near， beyound， above， below， on the right(left)， in the middle， opposite， in front of