插入语在托福阅读中经常可以看到，但是考生在写作过程中却不常用，考生如果使用正确的插入语，可以让自己的文章更加有层次感。
重要的插入语列举：
for instance\example,
honestly\frankly\generally (speaking)，
however，nevertheless，nonetheless，admittedly, notwithstanding
I am sure，I believe\wonder\suppose，it seems，as I see it，what is important (serious)，I’m afraid，it is said
in consequence, in conclusion
in fact, as a matter of fact
in sum\short\summary，in other words，in a sense，in general，in my view \opinion \judgment，
in the first place，in addition
indeed， surely，
naturally， luckily\fortunately，astonishingly, conversely, undeniably, undoubtedly
obviously，besides, furthermore, briefly, similarly,
of course,
On the contrary, in contrast
strange to say，needless to say，most important of all，worse of all
to be sure， to sum up， to tell the truth,
to my joy \delight \satisfaction \surprise \astonishment \amazement egret \ disappointment，
to start with，
考生在使用插入语时，不可以使用过多，整篇文章的结构就靠插入语来支撑也会显得很没有章法。
