it用法公开课课件.ppt

it Discussion Whatjobscan it do It用法归纳一 指代it二 形式it三 强调it四 含有it的短语 谚语 Lookatthepicture isapictureofourschool It 一 1 用作人称代词 代表前面提到的人或事物 Mypenismissing Ican tfind anywhere it Isthisjacketyours Yes is 2 用于代替指示代词this和that it 3 用以表示时间 距离 天气 季节 环境等 It s10 08 It sonlyhalfanhour swalkfromheretoourschool 3 Itissunnytoday isn tit 4 It sspringnow 5 It squiethere Time Distance Weather Season Circumstance 环境 4 可以用来指动物 婴儿和未确定身份的人 Whoisit It slovely Itweighsonly3kilos 二形式it 形式主语 形式宾语 ItisvitalforallofyoutohaveagoodcommandofEnglish 你们掌握英语是至关重要的 形式主语 TohaveagoodcommandofEnglishisvitalforallofyou 1 代替动词不定式做主语 1 Itbeadj forsb todosth 此处adj 通常为描述事件的形容词 easy difficult necessary important possible useful useless vital 至关重要的 essential 必要的 Makesentences 1 我们保持自然界的平衡是有必要的 Itisnecessaryforustokeepthebalanceofnature 2 在日常生活中练习你的英语口语是非常重要的 It sveryimportantforyoutopractiseyouroralEnglishindailylife 你让我们做这些练习是明智的 Itiswiseofyoutoletusdotheseexcises It skindofyoutohelpmeworkouttheproblem 2 Itbeadj ofsb todosth 此处adj 通常为描述人的形容词 kind nice rude polite cruel considerate 细心的 thoughtful careful careless foolish stupid clever wise 你能帮我 真好 It sverykindofyoutohelpme It sveryniceofyoutooffermeaseat 给我让座 您太好了 Makesentences 3It takes took sb 时间 金钱 精力等 动词不定式 Ittookmemuchtimetoedit 编辑 thispowerpoint 说实话需要很大的勇气 Ittakesgreatcouragetotellthetruth 成功需要付出极大的努力 Ittakesgreatefforts painstosucceed It snogood use pleasuredoing 做 没益处 没用 没趣 2 代替动名词做主语 Itisnousecryingoverspiltmilk 只阅读不理解没什么益处 Itisnogoodreadingwithoutunderstanding Itispossiblethatwewillrealize 实现 ourdreamsoneday 3 代替主语从句作形式主语 1 Itisclear obvious true possible certain that 该句型中it是形式主语 真正的主语是that引导的主语从句 常译为 清楚 显然 真的 是主语从句最常见的一种结构 Itisadj 从句 显然 手机给我们带来了许多好处 Itisclearthatcellphoneshavebroughtusalotofbenefits Itisnecessarythatyou should rememberthe3500words 2 Itisimportant necessary strange natural surprising that that后的从句中要用虚拟语气 should 动词原形 我们用有效的方法学习很重要 Itisimportantthatweshouldlearninaneffectiveway Itissaidthathehasasecretweaponinmathslearning Itissaid reported believed that 该句型中的it仍是形式主语 真正主语是that引导的主语从句 该结构常译为 据说 据报道 据悉 Itisv edthat 人们相信健康比财富更重要 Itisbelievedthathealthismoreimportantthanwealth Itisashamethatourcityhasbeenundertheshadowofsmogthesedays Itis noun 从句 Itisapity ashame anhonor afact asurprise that 很遗憾 可耻的是 很荣幸 很遗憾你不能来参加这个派对 Itisapitythatyoucouldn tcometotheparty 我很荣幸被邀请参加你的生日聚会 ItisanhonorthatIwasinvitedtoyourbirthdayparty Ithappens seem appears turnsout 等不及物动词 that 碰巧 看来 结果证明 Itseemedthathedidn ttellthetruth IthappenedthatIwasoutwhenhecalled Itis high timethat 从句应该用虚拟语气 常用过去时态表示虚拟 有时也用should 动词原形 should不能省 常译为 是 正是 的时侯 Itistimethatweshouldworkhard Itishightimethatweshouldtakeactiontodealwiththeenvironmentalproblems 是我们采取行动解决环境问题的时候了 形式宾语 动词 it 形容词 名词 forsb todo doing that从句 think believe consider feel make find harduselessimportantnecessarynatural essential nouse nogood awasteoftime ourduty IfounditveryinterestingtostudyEnglish 形式宾语 Ithinkiteveryone sdutytoprotectourmother theearth Ithinkitimportantthatyou should makeaplan IhavemadeitarulethatIwilldosomeEnglishreadingeveryday 规定 习惯于 我发现学英语很有趣 我认为保护我们的地球母亲是每个人的责任 我认为你制定一个计划很重要 it作形式宾语的特殊句型 结构动词 it if that when动词有喜欢类 enjoy like appreciate prefer讨厌类 hate dislike如果你能给我这个机会我将不胜感激 Iwouldappreciateitifyoucanoffermethechance Ilikeitwhenmymotherishappy Ihateitwhenpeopletalkwiththeirmouthsfull Hetookitforgrantedthathewouldpasstheexam Don tdepend relyonitthathewillarriveontime IowedittoTomthatIfoundthejobIwanted 想当然地认为 指望 把什么归功于某人 Theymadeavow 誓言 ofloveinfrontofthehugestonein2005 三 强调句型 It be 被强调部 that who aperson 其他部分 Itwasthecouplethat whomadeavowofloveinfrontofthehugestonein2005 Itwasavowoflovethatthecouplemadeinfrontofthehugestonein2005 Itwasinfrontofthehugestonethattheymadeavowoflovein2005 Itwasin2005that Itwasfiveo clock Igothome Itwasatfiveo clock Igothome when that AthatBwhen ItwasnotuntilshetookoffherdarkglassesthatIrealizedshewasafamousfilmstar Itisnotuntil that 直到 才 请指出下列句子的强调部分 Itiswhatwethinkthatcontrolsus 四 it常用的固定搭配 makeitsucceed成功 搞定ItwashardbutIfinallymadeit 2 takeiteasy不要慌 别担心 3 Italldepends thatalldepends 那要视情况而定 4 It suptosb 这取决于你 Itisnevertoolatetolearn It snousecryingoverspiltmilk Striketheironwhileitishot 高考链接 Thescientists nextresearchjobwasclear Findoutwhatinthefish sbloodkeptitfromfreezing Theirsearchledtosomereallystrangethingmadeupofaprotein 蛋白质 neverbeforeseeninthebloodofafish Whenitwasremoved thebloodfrozeatseawatertemperature 2008辽宁 70 Whatdoestheunderlinedword it inParagraph5referto A Atypeofice saltmixture B Anewlyfoundprotein C Fishblood D Sugarmolecule 分子 B 阅读 1 Janewaswalkingroundthedepartmentstore Sherememberedhowdifficult 31 wastochooseasuitableChristmaspresentforherfather 2009广东 2 Heaskedhisteacher Sir thewaterwasawful Whydidyoupretendtolike38 2010广东 语法填空 it it 4 Will matterifyoudon ttakeyourbreakfastRecentlyatestweregivenintheUnitedSates 3 isknowntoallthatthetimewecanuseislimited Thereforeweshouldmakefulluseofourtimetostudyhardsoastoserveourcountryinthefuture It it OnedayIwrotealittlestoryandshowedtomyteacher 改错 Youwon tfinddifficulttogettothecitycenter it it Pleasemakeasmanysentencesasyoucanonenvironmentbyusing it Activity Thankyouforlistening