小学4种时态的用法.pdf
《小学4种时态的用法.pdf》由会员分享,可在线阅读,更多相关《小学4种时态的用法.pdf(12页珍藏版)》请在淘文阁 - 分享文档赚钱的网站上搜索。
1、1 龙文教育一对一个性化辅导教案学生学校年级次数第次科目英语教师李燕妙日期时段课题四种时态的综合运用教学重点易错单词、词组、重难点句型;教学难点四种时态的综合运用教学目标1.帮助学生复习巩固重难点单词、词组、句型;2.复习四种时态的综合运用。2 教学步骤及教学内容步骤一:听写易错单词、短语和读课文步骤二:四种时态的综合运用1.概念2.时态标志词3.句型结构4.否定句和疑问句步骤三:综合训练(详见讲义)步骤四:课堂总结回顾步骤五:布置作业管理人员签字:日期:年月日作业布置1、学生上次作业评价:好 较好 一般 差备注:2、本次课后作业:课堂3 小结家长签字:日期:年月日时态综合复习讲义一、知识点讲
2、解时态定义标志词谓语形式疑问形式否定式提问一般现在时1.目前存在的状态2.经常性、习惯性的动作3.用于客观真理,客观存在,科学事频度副词:always,usually,often,sometimes,every day(week.)twice a week,seldom,never.系 动 词be(am,is,are)行为动词原形(主语为第三人称单数时V+s,或 es)放主语前2.主 语前加do 或does(动词还原)+not 2.动词前加dont 或doesnt(动 词 还What do/does+主语+do 如:She reads English every day.What does 4
3、 实。原)she do every day现在进行时表示现在或当前一段时间正在进行的动作或存在的状态1.提示语:look!Listen!+时间点3.当前一段时间this week,these days the momentBe(am,is,are)+V-ingbe 放主语前be+notWhat is/are+主 语+doing如:We re listening now.What are you doing now一般将来时1.表示打算做某事2.将要发生的动作或存在的状态1.tomorrow,the day after tomorrow,soon,this afternoon,this even
4、ing,this weekend,next day,next week(month,year)the future,two days later,after two days,in a few days.going to+V 原形+V 原形,come,leave,start 等用现在进行时表示将来时。be 或will 放 主语前be 或will 后加 notwill not=wont is/are+going to do will+主语+do如:He will play basketball next week.What will he do next week一般过去时表示过去时间内发生的动
5、作或存在的状态1.yesterday/the day before yesterday,last week/year/month 等2.two years ago/in 2005/at that time/in the past3.just now that moment1.动 词be 的过去时(was,were)2.行为动词的过去式 were 放主语前2.主 语前加did(动词还原)were+not 2.动词前加didn t(动 词 还原)What did+主语+do 如:Tom did his homework last night.What did Tom do last night 小
6、学英语毕业总复习四种时态语法解析现在进行时一意义当表示现在正在进行的动作或正在发生的事。二构成:be(am,is,are)+动词现在分词-ing形式肯定句:主语 +be+现在分词V-ing(+其他)Im doing my homework now.否定句:主语+be+not+动词-ing+其他.Im not doing my homework now.一般疑问句:Be+主语+动词-ing+其他Are you doing your home work now Yes,I am.No,Im not.特殊疑问句:特殊疑问词+be+主语+动词-ing+其他 What are you doing now
7、 三.现在分词的构成:5(1)一般在动词末尾直接加ing,(2)以不发音字母e 结尾的动词,先去掉e,再加 ing,如 skate skating make making dance dancing write writing have having ride riding come coming(3)以重读闭音节结尾的动词,中间只有一个元音字母,词尾只有一个辅音字母,应双写末尾的辅音字母,再加ing,如:putting running beginning stopping swimming shopping jogging sitting getting forgetting letting
8、四.时间标志now,句前的 look,listen一般现在时一.意义:表示经常发生的事情,动作或存在的状态二.构成及变化动词的变化。肯定句:主语+be(am,is,are)+其它。如:I am a boy.我是一个男孩。否定句:主语+be+not+其它。如:He is not a worker.他不是工人。一般疑问句:Be+主语+其它。如:-Are you a student -Yes.I am./No,Im not.特殊疑问句:疑问词+一般疑问句。如:Where is my bike 2.行为动词的变化。l 当主语为第一,二人称及复数时,助动词为do肯定句:主语+动词原形(+其它)。如:We
9、 often play basketball after school.否定句:主语+dont+动词原形(+其它)。如:we dont play basketball after school.一般疑问句:Do+主语+动词原形+其它如:Do you often play basketball after school l Yes,we do./No,we dont.特殊疑问句:疑问词+以 do 开头的一般疑问句如:What do you often do after school l 当主语为第三人称单数时,助动词为does肯定句:主语+动词三单式(+其它)。如:He swims well.否
10、定句:主语+doesn t+动词原形(+其它)。如:He doesn t swim well.一般疑问句:Does+主语+动词原形+其它。如:Does he swim well Yes,he does./No,he doesnt.特殊疑问句:疑问词+以 does 开头的一般疑问句如:How does your father go to work三第三人称单数的动词变化规则(只有在第三人称为主语的肯定句中,动词才用三单式)(1)多数动词直接加s:runs gets likes collets takes plays climbs.(2)结尾是 s,x,sh,ch,o,前为辅音字母,结尾加 es:
11、watches teaches goes does washes crosses mixes brushes(3)动词末尾y 前为辅音:将 y 改为 i 加 es:studystudies flyflies carrycarries crycries但在 y 前如果为元音则直接加s:buys says 四时间标志:always,usually,often,sometimes,every 一般过去时一意义:表示过去某个时间发生的事情或存在的状态.常与一般过去时态连用的时间有:yesterday,yesterday morning(afternoon,evening)last night(week
12、,month,year),a moment ago,a week ago,three years ago just now,二构成及变化6 1.Be 动词在一般过去时中的变化:am 和 is 在一般过去时中变为was。(was not=wasn t)are 在一般过去时中变为were。(were not=weren t)带有 was或 were 的句子,其否定、疑问的变化和is,am,are 一样,即否定句在was或 were 后加 not,一般疑问句把was或 were 调到句首。2.行为动词在一般过去时中的变化肯定句:主语 +动词的过去式 .I watched a film last Su
13、nday.否定句:主语+didn t+动词原形.I didnt watch a film last Sunday.一般疑问句:Did+主语 +动词原形Did you watch a film last Sunday Yes,I did.No,I didnt.特殊疑问句:疑问词+以 did 开头的一般疑问句 What did you do last Sunday 三.动词过去式变化规则:1.规则动词的过去式(1)一般在动词原形末尾加 ed helped,looked,played,worked,listened(2)结尾是辅音字母不发音的e,加 d lived hoped use-used li
14、ke-liked tasted loved closed(3)双写末尾的字母,再加 ed stop-stopped plan-planned(4)结尾是辅音字母+y,先变“y”为“i”,再加 ed study-studied carry-carried cry-cried try-tried2.动词过去式的读音规则(1)在轻辅音后加ed 读轻辅音/t/asked cooked worked looked talked pickedwatched passed jumped helped surfed (2)在浊辅音及元音后加ed 读浊辅音/d/lived listened closed ope
15、ned stayed watered played (3)在/t/d/之后读 /id/started wanted needed tasted collected 3.不规则动词过去式:am,is-was,are-were,do-did,go-went,see-saw,say-said,give-gave,swim-swam,sit-sat get-got,come-came,have-had,eat-ate,take-took,run-ran,sing-sang,put-put,read-read,make-made,write-wrote,draw-drew,drink-drank,fly
16、-flew,ride-rode,speak-spoke,sweep-swept,find-found tell-told stand-stood think-thought buy-bought teach-taught 一般将来时一.意义:表示将来某个时间要发生的动作或存在的状态,也表示将来经常或重复发生的动作,常与表示将来的时间状语连用。如:tomorrow,soon,next Monday,next year,next weekend,this afternoon,this evening 二.构成及变化一般将来时常用的两种结构be going to+动词原形 :表示打算、准备做的事或即
17、将发生或肯定要发生的事。shall will+动词原形 :表示将要发生的动作或情况,没有太多的计划性,还用来表示意愿1.be going to+动词原形1.肯定句主语+be(am/,is,/are)going to+动词原形+其它成份My sister is going to learn English next year.我姐姐准备明年学英语。2.否定句主语+be(am/is/are)not going to+动词原形 +其它成份I am not going to(go to)the cinema tonight.7 我今天晚上不打算去看电影。3.一般疑问句Be(am/is/are)+主语+
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 小学 时态 用法
限制150内