一般现在时-将来时和现在进行时的讲解与练习(10页).doc
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1、-一般现在时-将来时和现在进行时的讲解与练习-第 9 页一般现在时、将来时和现在进行时的讲解与练习一般现在时一、一般现在时的功能1.表示事物或人物的特征、状态。如:The sky is blue.天空是蓝色的。2.表示经常性或习惯性的动作。如:I get up at six every day.我每天六点起床。3.表示客观现实和普遍真理。如:The earth goes around the sun.地球绕着太阳转。二、一般现在时关键词always, usually, often, sometimes , seldom极少, hardly几乎不, never, every day(week,
2、year, night), on Sundays, on Monday, in the evening, once/ twice/ three times a month每月一次/两次/三次三、一般现在时的构成1. be动词:主语+be(am,is,are)+其它。如:I am a boy.我是一个男孩。2.行为动词:主语+行为动词(+其它)。如:We study English.我们学习英语。当主语为第三人称单数(he, she,it)时,谓语动词要用第三人称单数,即要在动词后加-s或-es。如:Mary likes Chinese.玛丽喜欢汉语。四、一般现在时的变化1. be动词的变化。否
3、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。否定句:主语+ dont( doesnt ) +动词原形(+其它)。如:I dont like bread. 当主语为第三人称单数时,要用doesnt构成否定句。如:He doesnt often play.一般疑问句:Do( Does ) +主语+动词原形+其它。如:- Do you
4、often play football? - Yes, I do. / No, I dont.当主语为第三人称单数时,要用does构成一般疑问句。如:- Does she go to work by bike? - Yes, she does. / No, she doesnt.特殊疑问句:疑问词+一般疑问句。如:How does your father go to work?3. 含有情态动词(can, must, will, shall, might, should.)的句子变化 陈述句:主语+ 情态动词+动词原形+其它 否定句:主语+情态动词+not+动词原形+其它 一般疑问句: 情态动
5、词+主语+动词原形+其它+? 特殊疑问句:特殊疑问词+情态动词+主语+动词原形+其它? What can he do in the future?五、动词碰到第三人称单数时,要进行相应的变化: 动词+s的变化规则1. 一般情况下,直接加-s,如:cook-cooks, milk-milks work - works2. 以s. x. sh. ch. o结尾,加-es,如:guess-guesses, wash-washes, watch-watches, go-goes3. 以“辅音字母+y”结尾,变y为i, 再加-es,如:study-studies carry - carries4. ha
6、ve - has现在进行时【概念】1.现在进行时: 表示正在发生的动作或存在的状态。构成:主语+be+doing【用法】肯定句:主语+ be+doing +其他.否定句:主语+ be+not+doing +其他.一般疑问句: Be+主语+doing +其他?肯定回答:Yes,主语+be(am / is / are)特殊疑问句:疑问词(what how where when.)+be + 主语+doing+其它+?关键词:now, look , listen, at this moment一般过去时【概念】1.一般过去时: 表示过去发生的动作或存在的状态。构成:主语+动词过去式(+ed)【用法】
7、肯定句:主语+动词过去式(+ed)+其他.否定句:主语+didnt +动词原形+其他.一般疑问句:Did +主语+动词原形+其他?肯定回答:Yes,主语+did.否定回答:No,主语+ didnt关键词:last year / Monday /month., this morning, two days / three years .ago , in +过去的年份,just now, When I was 6 years old, once upon a time.2、规则动词的变化:一般动词 +edplanted,watered,climbed以不发音的e结尾 +dliked辅音字母加y结尾
8、-y+ iedstudystudied, cry- cried重读闭音节单词,末尾只有一个辅音字母双写最后一个字母+edstop stoppedplan - planned3不规则动词过去式:原形过去式原形过去式原形过去式原形过去式sweepsweptteachtaughthave hadgowentkeepkeptthink thoughtdo didfindfoundsleepsleptbuy boughteat atesaysaidfeelfeltdrink drankis/am wastaketookreadreadgive gaveare weremeanmeantputputsin
9、g sangdrivedrovemeetmetcutcutbegin beganspeakspokemakemadeletletringrangwrite wroteseesawflyflewrun ranride rodecomecamedrawdrewsit sathearheardtelltoldgrowgrewlearnlearned/ learntgetgotknowknew一般将来时【概念】1.一般将来时: 表示将要发生的动作或存在的状态。构成:主语(任何人称和数)+will + 动词原形【用法】肯定句:主语+will +动词原形+其他.否定句:主语+will not (wont)
10、+动词原形+其他.一般疑问句:Will +主语+动词原形+其他?肯定回答:Yes,主语+will.否定回答:No,主语+ wont.【概念】2.由“主语+be (am; is ; are) going to +动词原形”来表示一般将来时。【用法】1. 肯定句:主语+be (am; is ; are) going to +动词原形+其他.否定句:主语+be (am; is ; are) +not+ going to+动词原形+其他.一般疑问句:Be(Am;Is;Are)+主语+going to+动词原形+其他?肯定回答:Yes,主语+be (am; is ; are) .否定回答:No,主语+
11、be (am; is ; are) +not.2. 虽然“will + 动词原形”和“be going to + 动词原形”都可以表示将来时,但两者还是有些区别的。下面例句中的will 和be going to 一般不可以互换。will可以表示“主观意愿”,或者表示“请求”;以及表示“不以人的意志为转移,自然发展的未来的事”,be going to侧重于表示“打算、计划、准备要做的事”;或者“根据某种迹象判断将要发生的事”。名词的复习可数名词复数形式变化:(1)规则变化 1)一般变化, 在名词后加-s,如:bookbooks; bagbags 2) 以s, x, ch, sh结尾的名面,加-e
12、s,如:busbuses; boxboxes; watchwatches; wishwishes; glassglasses 3) 以辅音字母加-y结尾的单词,变y为i再加-es,如:citycities; countrycountries; studystudies; familyfamilies 4) 以f或fe结尾的单词,有些将f或fe变为v, 再加-es; 有些只加-s : wifewives; knifeknives; wolfwolves; thiefthieves; shelfshelves; myselfmyselves; lifelives; halfhalves; leaf
13、leaves; roofroofs; chiefchiefs; beliefbeliefs; proofproofs; handkerchiefhandkerchiefs/handerchieves(手帕头巾)记住下面这首顺口溜,相信你就不会觉得难了。妻子(wife)持刀(knife)去宰狼(wolf),小偷(thief)吓得发了慌;躲在架后(shelf)保己命(myself), 半(half)片树叶(leaf)遮目光。 按:顺口溜中的黑体加粗字是小学阶段学过的九个以f(e)结尾的名词:wife(妻子),knife(小刀),wolf(狼),thief(小偷),shelf(架子),self(自己
14、),life(生命),half(一半),leaf(树叶)。这九个词变复数时,都是改-f(e)为ve再加-s。由self构成的复合词,其变化与self相同(如:myselfourselves;yourselfyourselves;himself,herselfitselfthemselves)。5) 以o结尾的名词,有些加-s ,有些加-es。如: heroheroes; NegroNegroes; potatopotatoes; tomatotomatoes (两人两菜)photophotos; radioradios; pianopianos; studiostudios; bambooba
15、mboos; zerozeros/zeroes; (2)不规则变化childchildren; footfeet; toothteeth; goosegeese; mousemice; manmen; womanwomen注意:由一个词加man或woman构成的合成词,其复数形式同上。EnglishmanEnglishmen; Frenchmanfrenchmen; 但GermanGermans(不是合成词)(3)单复数同形 deer; sheep; fish; Chinese; Japanese课堂作业 一按要求写出下列词的其它形式: 1. house _(名词复数) 2.play _(过去
16、式) 3. make_ (过去式)4. orange _(名词复数) 5. draw_(过去式) 6.buy _ (过去式)7. brush _ (名词复数) 8. family _(名词复数)9. bus _(名词复数) 10.put _(过去式) 11. box _(名词复数) 12. baby _(名词复数) 13. class _(名词复数) 14. factory _(名词复数) 15.has _(过去式) 16. fly_(过去式) 17. watch _(名词复数) 18. woman _ (名词复数)19. go_ (过去式) 20. sing_(过去式) 21. wish _
17、(名词复数) 22. German _(名词复数) 23. tomato _ (名词复数)24.forget _ (过去式)25. kilo _(名词复数) 26.run _ 27. build_ 28. Chinese _(名词复数) 29.spend _(过去式) 30. Japanese _(名词复数) 31. leaf _(名词复数) 32. American _(名词复数)33.sleep _ 34. tooth _(名词复数) 35. wife _(名词复数) 36. foot _(名词复数)37. win_(过去式) 38. sheep _(名词复数) 39. hear_(过去式
18、)二单选。1. There are three _ and seven _ in the picture. A. cows, sheeps B. cows, sheep C. cow, sheep D. cow, sheeps 2. June 1 is _. A. childrens day B. childrens Day C. Childrens Day D. Childrens day 3. _ room is next to their parents. A. Kates and Joans B. Kates and Joan C. Kate and Joans D. Kate and
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