插入语在SAT语法考试中是经常出现的考点，尤其是在SAT改进句子题型当中。下面天道小编就为大家详细的整理了关于插入语的SAT改进句子考点内容，包括了一些常见的插入语类型，希望大家可以从中获益。

　　插入语(parenthesis)：插入语是在句中插入的一个独立成分，不做句子的任何成分，不与句子其它成分有语法关系。

　　SAT改进句子中插入语最大的解题原则就是，插入语删掉之后，整个句子结构仍然是完整的!

　　插入语起的主要作用就是对句中的某一部分解释、补充说明、总结;表明说话者的态度;强调

　　1.常用做插入语的形容词或短语：

　　true，wonderful，excellent，strange to say，most important of all, sure等

　　Strange to say, he doesn’t receive my birthday gift.

　　2.常用做插入语的副词或短语：

　　indeed，or rather，frankly，personally, surely，fortunately，otherwise，honestly, probably

　　You'd better give me my book, otherwise I'll fail my test.

　　3.常用做插入语的介词短语：

　　in addition，in one’s opinion, in general, in a word，for example， as a result，on the contrary, on the other hand，as a matter of fact

　　His wife is my daughter, in other words, I am his mother-in-law.

　　4.动词V-ing用做插入语

　　Strictly speaking, considering, talking of, judging by, judging from

　　Judging by her clothes, she may comes from the Northern part.

　　5.常用做插入语的不定式

　　To be frank, to tell you the truth, to sum up, to start with

　　To sum up, because of various favorable conditions that we enjoy, there is no doubt that we will be able to catch up with the advanced countries.

　　6.常用做插入语的短句

　　I’m afraid, I think , I believe, this is to say, as we know , believe it or not，it seems,what’s more

　　Some animals are half-hibernate, that’s to say their sleep is not so deep.

　　注意：插入语独立性比较强，基本上都会用标点符号隔开。(通常插入语前后都有逗号)

　　以上就是在SAT改进句子题目中常见的六大类插入语的相关信息，后面附有一些例句。大家可以在备考自己的SAT语法考试的时候，适当的掌握一下这些插入语的信息，这样就能在题目中遇到的时候，有更好的应对了。