下面是查字典留学网托福频道整理的托福词汇十大经典连词及替换用法，欢迎阅读。
一. And 并列关系 (and)
in addition // and // similarly // likewise // as well as // besides // furthermore // also // moreover // too// not only ... but // even // besides this/that
二.Sequence 顺序 (then)
出现的时候表示列举
first// initially // second etc. // to begin with // then // next // earlier/later // following this/that // afterwards
三.Consequence 结果 (so)
前面是后面的结果 // 也就是这些词后面就开始给出结论了。
as a result// thus // so // therefore // consequently // it follows that // thereby // eventually // tn that case // admittedly
四.Contrast转折 (but)
表对前面论述的转折 // 一般后面才是作者观点
however// on the other hand // despite // in spite of //
though // although // but // on the contrary
otherwise// yet // instead of // rather // whereas // nonetheless // in contrast
五.Certainty 确定 (of course)
强烈的确定 // 后面是作者的坚定论点
obviously// certainly // plainly // of course // undoubtedly
六.Condition 条件/ 因为 (if)
后面跟随着某种情况发生的前提或者是条件。
if // unless // whether // provided that // // Given that // for // so that // whether // depending on
七.Time 时间 (when)
before // since // as // until // meanwhile // at the moment // when // whenever // as soon as // just as
八.Summary 总结 (in a word)
作者的最后总结
in conclusion // in summary // lastly // finally // to sum up // to conclude // to recapitulate 重述 // in short // in a word
九.Example举例 (for example)
for example // for instance // just as // in particular // such as // namely 也就是
十.Reason原因 (because)
since // as // so // because (of) // due to // owing to // the reason why // in other words // leads to // cause