下载本文档
版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领
文档简介
1、初中英语基本时态总结、 一般现在时1、概念:1)表示经常性或习惯性的动作,常与表示频度的时间状语连用。时间状语:always, usually, often, sometimes, seldom, never, every day, twice a week, on Sunday, etc.(提问用How often)例:I leave home for school at 7 every morning. Tom gets up at 6:00 every morning.2) 客观真理,客观存在,科学事实。例:The earth moves around the sun. 地球绕太阳转动。
2、Shanghai lies in the east of China. 上海位于中国东部。3) 格言或警句。例:Pride goes before a fall. 骄者必败。注意:宾语从句中,即使主句是过去时,从句谓语是客观真理也要用一般现在时。例:Columbus proved that the earth is round. 哥伦布证实了地球是圆的。2、结构:表状态 S+ am/is/are+ P (句中有实义动词不用be)表动作 S+V原+O (若主语是单三人称,谓动加s/es。)3、句式变化:变疑问,有be把be提到主语前;无be在主语前加do/does,谓动变为原形。 变否定,有be
3、在be后加“not”;无be在主语后加dont/doesnt,谓动变为原形。例: They are in the classroom. Are they in the classroom? Yes, they are./No, they arent. They arent in the classroom He often waters the flowers . Does he often water the flowers? Yes, he does. / No, he doesnt. He doesnt often water the flowers、 一般过去时1、 概念:1)表示在确
4、定的过去时间里所发生的动作或存在的状态。常用时间状语:yesterday, the day before yesterday, last week, just now, an hour ago, the other day, in 1982. at the age of 5, one day, long long ago, etc.例:Where did you go just now? 2)表示在过去一段时间内,经常性或习惯性的动作。例:When I was a child, I often played football in the street.2、结构:表状态 S+ was/were
5、+ P表动作 S+V过去式+O (注:句中有实义动词不用be)3、句式变化:变疑问,有be把be提到主语前;无be在主语前加did,谓动变为原形。 变否定,有be在be后直接加“not”;无be在主语后加didnt,谓动变为原形.例: She was in Xian last month. Was she in Xian last month? Yes, she was. /No, she wasnt. She wasnt in Xian last month. Danny grew a rose just now, Did Danny grow a rose just now? Yes, h
6、e did. / No, he didnt. Danny didnt grow a rose just now,、 现在进行时: 1. 概念:表示现阶段或说话时正在进行的动作。时间状语:now, at this time, these days,以及有look, listen时。例:Listen!The birds are singing.2、结构:S + am/is/are + doing 助动 现在分词3、句式变化:变疑问,把am/is/are提到主语前; 变否定,在am/is/are后直接加“not”。 例: I am writing a letter now. Are you writ
7、ing a letter now? Yes, I am. /No, Im not. I am not writing a letter now. (注:am和not不能缩写。) The boys are playing football. Are the boys playing football?Yes, they are. / No, they arent. The boys arent playing football.、 过去进行时: 1. 概念:表示过去某段时间或某一时刻正在发生或进行的动作。 .时间状语:at this time yesterday, at that time,at
8、 8:00 yesterday,或有when / while引导的时间状语从句等。 例:We were having an English class at 9:30 yesterday morning.I was reading a book while my mother was watching TV. 2、结构:S + was/were + doing 3、句式变化:变疑问,把was/were提到主语前; 变否定,在was/were后直接加“not”。例:At that time they were working in the garden. Were they working in
9、 the garden at that time? Yes, they were. / No, they werent.At that time they were working in the garden. When he came in, I was reading a newspaper. When he came in, were you reading a newspaper? Yes, I was. / No, I wasnt.When he came in, I wasnt reading a newspaper.、一般将来时1. 概念:表示将要发生的动作或存在的状态。 时间词
10、:tomorrow, tomorrow morning, at seven oclock tomorrow evening, next year, this year, at the end of this term, from now,in ten minutes, in 2025例:They will do an experiment tomorrow afternoon.Brian is going to draw twenty pictures at the end of this term.2、 结构:S +will+ V原+其他 (will 可改为be going to ,当主语是
11、第一人称时will可用shall) 例:Which paragraph shall I read first? 我先读哪一段呢?Will you/(Are you going to)be at home at seven this evening? 3、 句式变化:变疑问,把will提到主语前; 变否定,在will后直接加“not”。例; She will drive to Beijing next week. Will she drive to Beijing next week? Yes, she will. / No, she wont. She wont drive to Beijin
12、g next week. be going to + V原表示a. 主语的意图,即将做某事。例:What are you going to do tomorrow? b. 计划,安排要发生的事。例:The play is going to be produced next month。c. 有迹象要发生的事。例:Look at the dark clouds, there is going to be a storm. be +不定式:表示将来,按计划或正式安排将发生的事。例:We are to discuss the report next Saturday. 我们下星期六将讨论这份报告 用
13、现在进行时表示将来come, go, arrive, leave, start, begin, return等终止性动词可用现在进行时表示将来。例:Im leaving tomorrow. 明天我要走了。Are you staying here till next week? 你会在这儿呆到下周吗?、 现在完成时: 1. 表示:过去发生或已经完成的动作对现在造成的影响或结果。时间词:ever, never, already, yet, before, just, recently/ lately(最近), in the past few years2. 或从过去已经开始持续到现在的动作或状态。
14、 时间词:for + 时间段,since +过去时间点/从句。(提问用How long)例:The countryside has changed a lot in the past few years. He has learned French for two years.2.结构:S + have/has + done 助动 过去分词3. 句式变化:变疑问,把have/has提到主语前; 变否定,在have/has后直接加“not”。例: Ive already written an article. Have you written an article yet? Yes, I hav
15、e. / No, I havent. I havent written an article yet. Li Ming has lived in Shijiazhuang since 1993. Has Li Ming lived in Shijiazhuang since 1993? Yes, he has. / No, he hasnt.Li Ming hasnt lived in Shijiazhuang since 1993. 比较一般过去时与现在完成时1)一般过去时表示过去某具体时间发生的动作或单纯叙述过去的事情,强调动作;现在完成时则强调过去发生的动作对现在的造成影响,强调的是结果。2)一般过去时常与具体的时间状语连用,而现在完成时通常与模糊的时间状语连用,或无时间状语。例:I saw this film yesterday. (强调看的动作发生过了)I have seen this film. (强调对现在的影响,电影的内容已经知道了)Why did you get up so early? (强调起床的动作已发生过了)Who hasnt handed in his paper? (强调有卷子未交,指结果)He joined the League
温馨提示
- 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
- 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
- 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
- 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
- 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
- 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
- 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。
最新文档
- 医院手术部消防给水系统施工要点
- 锅炉散热监测实施方案
- 医院检验标本异常应急预案
- 山东海事职业学院2026年暑期公开招聘教师笔试备考试题及答案详解
- 2026年湖南省永州市住房和城乡建设局人员招聘笔试参考题库及答案详解
- 名班主任工作室工作总结
- 2025-2026学年夏荷教学设计
- 小型水利工程河道断面修复方案
- 屋面渗漏维修施工专项方案
- 文物展览设计与布置方案
- 矿井巷道维修安全技术措施培训课件
- 口腔实习生入科宣教
- 2025年合肥市金鹃传媒科技股份有限公司招聘笔试参考题库含答案解析
- Z3050摇臂钻床使用操作说明书
- T/CHES 42-2020水质涕灭威、克百威和甲萘威的测定液相色谱法
- 浙江省杭州市萧山区2025年六年级下学期小升初招生数学试卷含解析
- 第25课《文言文二则曹冲称象》课件(五四学制)语文六年级上册
- 分布式光伏0.4kV配电柜技术规范书
- 道路清扫保洁及垃圾清运服务投标方案技术标
- 《金庸武侠经典》课件
- 史上最全船舶演习记录规范(中英文对照)
评论
0/150
提交评论