高一英语语法强调句型 新课标 人教 1.ppt

Grammar强调句型TranslatethefollowingintoEnglishorallypayingattentiontheusageofit:1.ItwasnotuntilyesterdaythatImetmyoldfriend.2.Itisinasmallfactorythatmybrotherisgoingtowork.3.Itisasmallfactorywheremybrotherisgoingtowork.4.ItisfivemonthssinceIarrivedinNewYork.5.Wasitinthestreetthatyoumether?6.Whowasitthatcalledhim“comrade”?Grammar强调句型Itis/was+强调部分+that/who/whom+其他成分这个句型用来强调除谓语以外的各种句子成分被强调部分必须放在itis/was后面如果强调的部分是人可以who/whom来代替that.需要注意的是：1.在此结构中be动词必须是单数因为主语是it.连接词必须是that（指人时也可以是who/whom)2.主谓一致在强调句型中被强调部分作主语时其形式必须与谓语动词在人称和数上保持一致。3.人称照应：在强调句型中若强调主语代词用主格若强调宾语代词用宾格。eg:⑴Itwasnotuntilhisfathercamethattheboybegantodohishomework.⑵Itwasnotuntil12o’clockthathearrivedhome.⑶Itwasbecausehewascarelessthathelosthisjob.Itwasbecauseofhiscarelessnessthathelosthisjob.⑷Itwasat7:00a.mthattheplanetookoff.⑸Itwasforthreedaysthathestayedhere.7.通常判断是否是强调句的标志是：把强调结构“itis/was+---+that去掉若句子仍然成立就是强调句否则不是.eg:⑴ItisthetruethatheoncewenttoAmerica.（不是强调句型）⑵Itwasat8o’clockthathecameback.8.It引导的强调句不能用来强调条件状语从句和让步状语从句可强调because引导的原因状语从句却不能强调as/since引导的原因状语从句可强调sothat引导的目的状语从句却不能强调sothat引导的结果状语从句。Practice1.ThebiggestproblemofChinesefarmersistheshortageofarableland.ItistheshortageofarablelandthatisthebiggestproblemforChinesefarmers.2.Theplantgrowningreenhousesareprotectedfromthewindrainandinsects.Itistheplantsgrowningreenhousesthatareprotectedfromthewindrainandinsects.3.Futureagriculturesshoulddependonhightechnologyaswellastraditionalmethods.Itishightechnologyaswellastraditionalmethodsthatfutureagricultureshoulddependon.II.Rewritethesentencesbelowemphasizingasmanypartsaspossible.1).SomepeopleinSouthAmericastillpractisethiskindoffarming.ItisinsouthAmericathatsomepeoplestillprac