人教版英语七年级下册第七单元知识点总结

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人教版英语七年级下册第七单元知识点总结谈论天气询问天气的常用句型:句型一:What'stheweatherlike...?-What'stheweatherliketodayinBeijing?-北京今天的天气怎么样?-It'ssunny./Sunny./Veryhot...-今天是晴天。/晴。/很热。……句型二:Howistheweather?-Howistheweatherinsummerinyourhometown?-你家乡夏天的时候天气怎么样?-It'softensunnybutitrainshardsometimes.-通常是晴天,但有时候雨下得很大。现在进行时的特殊疑问句结构:特殊疑问词(作其他成分)+am/is/are+主语+现在分词(doing)+其他?特殊疑问词(作主语)+is/are+现在分词(doing)+其他?例:Whyareyouwateringthisdyingtree?你为什么要给这棵快死了的树浇水?Whoissingingoverthere?谁在那边唱歌?现在进行时的一些提示语:Look!/Listen!/Bequiet!/now/rightnow/It'seighto'clock.等等现在进行时的结构一、谓语构成:be(am/is/are)+v.-ing(动词的现在分词)。例如:I'mwatchingTVnow.They'replayingfootball.二、现在进行时的肯定式、否定式、疑问式及其简略回答:(1)肯定式:am/is/are+v.-ingSheissinginginthenextroom.(2)否定式:am/is/are+not+v.-ingThestudentsaren'tcleaningtheroom.(3)一般疑问句:be动词(am/is/are)提前,句号变问号。肯定简略答语:Yes,主语对应的人称代词+am/is/are.否定简略答语:No,主语对应的人称代词+isn't/aren't.或No,I'mnot.如:-Areyouplayingcomputergames?-Yes,Iam./No,I'mnot.(4)现在进行时的特殊疑问句结构①对主语提问:特殊疑问词+is/are+v.-ing+其他?Whoistalkingwithyoursister?②对非主语提问:特殊疑问词+am/is/are+主语+v.-ing+其他?Whoisyoursistertalkingwith?注:常常连用的标志词有:now/atthemoment/look/listen等等。例如:Iamreadingbooksnow.Look!Thegirlisdancing.现在进行时与一般现在时的辨析SheoftenwatchesTVintheevening.她经常晚上看电视。SheiswatchingTVnow.她现在正在看电视。Wesometimesplayfootballafterclass.我们有时下课后踢足球。Weareplayingfootballatthemoment.我们现在正在踢足球。could表示委婉请求例句:Couldyoupleasesweepthefloor?(句中有无please都可以。)could可用于有礼貌地向对方提出请求,用于疑问句中,可代替can,在时态上与can没有区别,但语气比can委婉、有礼貌。其答语没有固定的形式,但要符合语境。具体用法如下:例如:-Couldyoupleasepassthesalttome?你能把盐递给我吗?-Sure.当然。-Couldyouwalkthedogrightnow?你能现在遛狗吗?-Sorry,Ican't.Ihavetodomyhomeworkfirst.抱歉,我不能。我必须先做我的家庭作业。电话常用交流套语(1)打电话常用语①Hello!MayIspeakto…?②Isthat…speaking?(注意:不能用Areyou…?或Whoareyou?)③CanIleaveamessage?④I'llcallbacklater/again.⑤I'llringhim/herupagain.(2)接电话人常用语①Hello!ThisisTomspeaking.(注意:不能用IamTom.)②Hello!Whoisthat?③Holdon,please.④Holdonamoment.⑤Holdtheline,please.⑥Tomisn'thererightnow.⑦Sorry,butTomisout.⑧CanItakeamessageforyou?⑨Icouldn'tgetthrough.⑩Sorry,I'mafraidyouhavethewrongnumber.⑪Sorry,thenumberyoudialedispoweroff.表示天气的形容词-How'stheweatherinShanghai?-上海的天气怎么样?-It'scloudy.-多云。讲解:cloudy是形容词,意为“多云的”,它由名词cloud(云)加后缀y构成,此类表示天气的单词详见下表:另外,还有dry干燥的,warm温暖的,cold寒冷的,cool凉爽的,hot炎热的。Message课文原句:CanItakeamessageforhim?要我给他捎个口信吗?讲解:message可数名词,意为“消息,信息”,常用短语有:takeamessage“捎口信,传话”;leaveamessage“留口信”;sendamessage“发信息”。I'msorryshe'soutrightnow.CanItakeamessage?对不起,她这会儿出去了。我可以捎个口信吗?Wouldyouliketoleaveamessage?你想留个口信吗?Haveagoodtime/fundoingsth.课文原句:Soundslikeyou'rehavingagoodtime.听起来好像你玩得正开心。I'mhavingagreattimevisitingmyauntinCanada.我正在加拿大看望我的姑妈,玩得很开心。讲解:haveagoodtime意为“玩得高兴,过得愉快”,同义表达有:havefun,enjoyoneself等。Theyarehavingagoodtime.=Theyarehavingfun.=Theyareenjoyingthemselves.他们正玩得高兴。Tomhasagoodtimeeveryday.Tom每天都过得很愉快。haveagood/greattimedoingsth.意为“做某事很开心、愉快”,相当于havefundoingsth.Hard(1)hard用作副词,意为“努力,辛苦地”,或者“猛烈地,重重地”。MaryisworkinghardatherEnglish.Mary正在努力学习英语。It'sraininghardnow.现在雨下得正猛。(1)hard还可用作形容词,意为“困难的,坚硬的,艰难的”。That'sahardquestion.那是个很难的问题。Thechairistoohard.Idon'tlikeit.这椅子太硬了,我不喜欢。Helivesahardlife.他过着艰难的生活。hardly几乎不,是频度副词,与hard形相近,意相远。Thechildrenaresoexcitedthattheycanhardlyspeak.孩子们兴奋得几乎连话都说不出来了。

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