Introduction是英文Essay的引言部分，也是整篇英文Essay中举足轻重的部分。我们可以从Introduction部分了解Essay的研究方向、过程以及结果。相比于其他部分来说，Introduction是比较难写的，下面就给大家分享一些Introduction的常用句型，同学们可以学习一下。 1、Introduction写作总述当前研究常用句型 The aim of present study was/is… The present study presents/presented… This paper+ argues that… gives an account of… discusses the case of… analyses the impact of… attempts to show that… contests the claim that… provides an overview of… reviews the evidence for… reports on a study which… traces the development of… explores the ways in which… assesses the significance of… highlights the importance of… considers the implications of… critically examines the view that… proposes a new methodology for… examines the relationship between… compares the different ways in which… investigates the factors that determine… describes the design and implementation of… 2、Introduction写作概述当前研究常用句型 A combination of quantitative and qualitative approaches was used in the data analysis. A holistic approach is utilised,integrating X,Y and Z material to establish… Both qualitative and quantitative methods were used in this investigation. By employing qualitative modes of enquiry,I attempt to illuminate the… Data for this study were collected using… Five works will be examined,all of which… Qualitative and quantitative research designs were adopted to provide… The approach to empirical research adopted for this study was one of… The methodological approach taken in this study is a mixed methodology based on… The research data in this thesis is drawn from four main sources:… The study was conducted in the form of a survey,with data being gathered via… This dissertation follows a case-study design,with in-depth analysis of… This study uses a qualitative case study approach to investigate… This study was exploratory and interpretative in nature. This investigation takes the form of a case-study of the… Introduction模板：http://australiaway.org/a/hangyedongtai/347.html