Unit 2 重点语法精讲1 课件- 高一上学期英语人教版（2019）必修第二册

Itis...that...强调句教材原句：

ItisforthisreasonthattheWWFconstantlyputupinformationtostiruppublicinterestinthewelfareoftheplanet.句型分析：本句使用强调句Itis…that…结构，把需要强调的部分放在Itis和that中间，其它部分不变。翻译：正是因为这个原因，世界自然基金会不断地提供信息来激发公众对地球福利的兴趣。Itis...that...强调句Itis...that...强调句典例分析强调句的基本结构:Itis/was+被强调部分+that\who+其他部分1Icameacrossthemintheclubtwodaysago.ItwasIwhocameacrossthemintheclubtwodaysago.ItwasthemthatIcameacrossintheclubtwodaysago.典例分析强调句的基本结构:Itis/was+被强调部分+that\who+其他部分1ItwasintheclubthatIcameacrossthemtwodaysago.ItwastwodaysagothatIcameacrossthemintheclub.此句型可强调除谓语以外的其它句中成分Icameacrossthemintheclubtwodaysago.典例分析强调句的疑问形式——一般疑问句2

Wasityouthatputthesebooksonmydesk?典例分析强调句的疑问形式——特殊疑问句2

Howisitthathegoestoschooleveryday?典例分析强调句的疑问形式——反义疑问句2

ItwasTomwhobrokethewindow,wasn'tit?典例分析对于“not…until”句型的强调3Thechild

didn't

fallasleepuntilhismotherleavetheroom.=Itwasnotuntilhismotherleavetheroomthatthechildfellasleep.1.如果强调句子的主语，后面的谓语动词应和被强调部分的人称和数保持一致。ItisIthatamgoingtoNanjingnextweek.特别提醒2.将itis\was...that去掉来验证该句是否是强调句Itwasbecausehewasillthathedidn'tcometoourparty.Itwasapitythathedidn'tcomeontime.Itwasat10o'clockthathereturnedhome.特别提醒××√1.Itwas___________(play)computergamesthatcosttheboyalotofmoney.2.Itwasnotuntilneartheendoftheletter________shementionedherownplan.完成句子。考点追击playingthatSum

up:Itis...that...强调句12Itis/was+被强调部分+that\who+其他部分将itis\was...that去掉来验证该句是否是强调句only+状语结构引起的部分倒装教材原句：

Onlywhenwelearntoexistinharmonywithnaturecanwestopbeingathreattowildlifeandtoourplanet.句型分析：本句使用部分倒装结构，当only+状语位于句首时，要部分倒装。翻译：只有当我们学会和自然和谐相处，我们才不成为野生动植物和地球的威胁。only+状语结构引起的部分倒装only+状语结构引起的部分倒装典例分析什么是部分倒装？1Onlyinthiswaycanhesolvetheproblem.Onlyaftermyfriendcamewasthecomputerrepaired.Onlythendidhefindoutthetruth.什么是部分倒装？1部分倒装就是谓语的一部分位于主语前;也就是把句中的情态动词、助动词或be动词移至主语前，谓语动词依然在主语后面。Only+状语中的状语指什么？2Onlythendidwerealizethatwewerewrong.Onlybyworkinghardcanyousucceed.Onlywhenthewarwasoverwerethevillagersabletoreturntotheirhomes.副词介词短语状语从句典例分析1.only所修饰的状语从句不倒装，主句倒装。Onlywhendidhereturndidwefindoutthetruth.Onlywhenhereturneddidwefindthetruth.特别提醒×2.only修饰句子主语时，句子不倒装。

Onlycanheanswerthequestion.

Onlyhecananswerthequestion.特别提醒×Onlyifyoueatthecorrectfoods_________beabletokeepfitandstayhealthy.Onlywhenthematchwasoverintheafternoon____theyabletoleave._____