浙江省台州市天台县平桥第二中学高中英语 unit3 Grammar课件 新人教版选修6.ppt

选修6unit3 learningaboutlanguage word consolidation i 2m answerkeyforexercise1 quit toughaccustomedtoashamed ofher desperate the alcoholic effects strengthen yourmuscles pregnantdisappointeddecideon discoveringusefulwordsandexpressions page20 answerkeyforexercise2 word consolidation ii 2m cigarettes alcohol effects adolescents tough stress dueto addictedto mental quit unfit withdrawal theuseof it unit3grammar 人称代词it e g thefrogisnotawarm bloodanimal it sacold bloodedone 物 e g it sasadthing justforgetit 事情 e g who sthat it sme openthedoor please 代替前文提到的人 物 事情 在句中做主语或宾语 人 当it用于指人时 主要指身份性别不明的人 若指性别身份明确的人 则应根据情况使用he或she i 用作人称代词 非人称代词it it用作非人称代词 常作主语 表示时间 天气 金钱 距离等 it salongtimesincewemetlasttime it sawarmsunnyafternoon 3 itissuchabigmoney 4 it sfiveminutes walk ii it用作非人称代词 weather time money distance d 1 someoneisringingthedoorbell goandsee a whoisheb whoheisc whoisitd whoitis theparkersboughtanewhousebut willneedalotofworkbeforetheycanmovein a theyb itc oned which b 3 ilostmyfavoritepen whydon tyoubuy a itb thatc oned this c 4 ilikethishousewithagardeninfront butidon thaveenoughmoneytobuy a oneb itc thisd that 解析 本题考查替代词it和one的区别 it指特定的同一个事物 the 名词 one替代同类的任一个人或物 a 名词 that替代不可数名词 常用于比较句 b 形式主语it todo 结构 itis was a n ed doing clause it snotagoodhabittosmoke itisnouse goodarguingwithhim itisapitythatyoudidn tfollowmyadvice iii 作形式主语 it用作形式主语 代替真正的主语不定式 动名词 或从句 放在句首 itisdifficultformetodothejob 1 it is was adj itisverycleverofyoutofinishit 这个adj 是描述某人的品质 性格 ofsbkind nice clever polite foolishetc forsbtodosth ofsbtodosth difficult easy important dangerous possible impossible etcforsb ofsborforsb itisdangerous childrentoplaywithfire for itiskind themanstopintime of 运动是个好习惯 habit itisagoodhabittotakeexercise 喝酒是不好的行为 manner itisbadmannerstodrinkalcohol 2 itis was n todo that 你天天运动真是个好习惯 事实上你昨天又喝酒了 itisagoodhabitthatyoutakeexerciseeveryday itwasafactthatyoudrankalcoholyesterday itisnouse overthespiltmilk whathasdonecan tbeundone a cryingb tocry itisnousedoingsth 2 it is no good usedoingsth itisofnogood usedoingsth干 是没用的itisnofundoingsth itisofnofundoingsth干 是没趣味的 3it is was adj n done clause 1 不可能 thatyoucansucceedwithouteffort it 2 itisstillaquestion 他是否会来 forheisill come 3 据报道 bigsisgoingtogetmarriedtowangxiaofeiinaprilnextyear report itisimpossible whetherhewillcome itisreportedthat 形式宾语it 作代替由不定式 动名词或从句表语的真正宾语 结构 动词 it 宾语补足语 真正宾语 e g youmustfinditexcitingworkinghere e g ithinkitapitythatyoudidn ttryharder iv 形式宾语 todo doing that makeitclear knownthat 非常清楚地表示 makeitpossibleforsbtodo that makeitaruletodo that 使某事成为惯例 think consider findfeel believeit a n 1 我发现学英语非常有趣 ifounditveryinterestingtostudyenglish 2 他非常清楚地表示他对那门学科不感兴趣 hemadeitclearthathewasnotinterestedinthissubject translation 3 我认为保护环境是我们的职责 think duty ithinkitourdutytoprotecttheenvironment 强调句型it lileisawabeggarattheschoolgateyesterday 强调主语 itwaslileithat whosawabeggarattheschoolgateyesterday 强调宾语 itwasthebeggarthat wholileisaw 强调地点 itwasattheschoolgatethatlileisaw 强调时间 itwasyesterdaythatlileisaw 强调谓语 lileididseeabeggarattheschoolgateyesterday itis was 被强调部分 that who 句子的剩余部分注意 被强调的成分仅限主语 宾语和状语 从句 典型例题分析1 itwaslastnight isawthefilmstarwars a whob whenc thatd which 考点 疑问词 was isitthat 被强调部分 that who 主谓句 2 究竟是什么 yousawlastnightattheconcert whatwasitthat it常用的固定搭配 makeit 1 在口语当中相当于succeed 表示 成功 做到 说定 赶上 及时到达例it shardtomakeittothetopinshowbusiness 2 在口语中相当于fixthedatefor 表示 约定好时间 例 shallwemeetnextweek ok wejustmakeitnextsaturday 2 takeit thingseasy相当于don tworryordon thurry 用来劝告别人 表示 不要慌 别担心 沉住气 takeiteasy hewilldoitwell 3 italldepends thatalldepends在口语中 相当于ithasn tbeendecidedyet 表示 那得看情况 还没有定下来 areyougoingtothecountrysideforholiday it thatalldepe