由于摘要的表达要求用词准确、层次清楚，因此掌握一些特定的规范表达方式或常用句式很有必要。摘要的类型很多，类型不同，写法也就不同，即使写同一论文的摘要，不同人也有不同的写法，但不论何种摘要，其组成部分的表达还是有一些规律可以遵循的。由于摘要各组成部分的内容不同，常用的表达方式也就不同。

1.引言部分。回顾研究背景的常用句式有：“We review...”；“We summarize...”；“We present...”；“We describe...”；“This paper outlines...”等。

2.阐明写作或研究目的的常用句式有：“We attempt to...”；“For comparison purposes we present...”；“With the aim to...，we...”；“In addition to...，this paper aims to...”；“To...，we...”等。介绍重点内容或研究范围的常用句式有：“Here we study...”；“This paper includes...”；“This paper presents...”；“This paper focuses on...”；“The focus of this paper is...”；“We emphasize...”；“This paper synthesizes...”；“The main emphasis of this paper is...”；“The paper lays particular emphasis on...”；“We draw attention to the problem...”等。

3.方法部分。介绍研究或实验过程的常用句式有：“We used...to investigate...”；“We presented an analysis of...”；“We tested...”；“We studied...”；“This paper examines how...”；“Numerical experiments indicate also...”；“This paper discusses...”；“This paper considers...”等。说明研究或实验方法的常用句式有：“We have developed...to estimate...”；“This study presents estimates of...”；“We...to measure...”；“...to be calculated as...”等。介绍应用、用途的常用句式有：“Our program uses...”；“As an application，we...”；“We used...”；“Using...，we show...”；“We apply...”等。(www.daowen.com)

4.结果部分。展示研究结果的常用句式有：“We show...”；“The results suggest/show...”；“Recent research has shown...”；“The results we obtained demonstrate...”；“We present the results of...”等。介绍结论的常用句式有：“We introduce...”；“By means of...we conclude...”；“We give a summary of...”等。

5.讨论部分。陈述论点和作者认识、观点的常用句式有：“The results suggest...”；“In this study，we describe...”；“We report here that...”；“We present...”；“...important findings that explain mechanisms involved in...”；“We expect...”等。阐明论证的常用句式有：“We showed...”；“These results demonstrate...”；“Our conclusions are supported by...”；“Here we provide evidence from...”；“Our studies indicate...”；“We find...”等。推荐和建议的常用句式有：“The authors suggest...”；“We suggest...”；“The paper suggests...”；“We recommend...”；“We propose...”；“In this paper，...is proposed which...”；“We expect that...”等。