四种常见时态讲解[整理].doc

四种时态讲解 *定义，常见标志词，基本结构 一般现在时： 1. 定义： 描述现在或经常性的动作或状态 I am a student. I usually go to school by bus. She usually goes to school by bus. My teacher told me that the sun rises in the east yesterday. I will discuss this with you when we meet next time. If it rains tomorrow, the school meeting will be put off. 2. 常见标志词： ___________________________________________ 3. 基本结构： __________________________________________ 一般过去时： 1. 定义：表示过去发生的动作或状态 I was a student, but now I am a teacher. I went to school by bus yesterday morning. 常见标志词： ______________________________________________________________ ______________________________________________________________ 3. 基本结构： _______________________________________________________________ 过去进行时： 定义：表示过去某一时间点或时间段正在进行的动作 The girl was singing songs in the classroom this time yesterday. At that moment, we were having dinner together. I was writing a letter when you phoned. 常见标志词： ________________________________________________________________ ________________________________________________________________ 基本结构： ________________________________________________________________ 过去完成时： 定义：表示过去某一时间或动作之前已完成的动作 By the time I arrived at the station, the train had left. By nine o’clock he had worked for seven hours. 常见标志词： ________________________________________________________________ 基本结构： ____________________________________________________________________ *常见的规则动词表 规则 动词原形 过去式 过去分词 一般情况加-ed help helped helped look looked looked 以不发音的-e结尾的动词，加-d like liked liked live lived lived 以“辅音字母+y”结尾的，变y为i加-ed try tried tried study studied studied 以重读闭音节结尾，且词尾只有一个辅音字母的动词，双写最后辅音字母+ed plan planned planned stop stopped stopped *常见的不规则动词表 （见书本P82~83） * 练习题 一、填写下列表格 动词原形 过去式 过去分词 现在分词 put drink read fly teach meet give come think forget 二、用动词的适当形式填空 He ___________(read) English every day. I usually___________(get) up at 6:30. The sun ___________(rise) in the east and _________(set) in the west. It_____