2020-2021学年新教材高中英语 Unit 4 Information Technology Section Ⅳ Grammar课件 北师大版必修第二册.pptx

SectionⅣGrammar走近新课·一起感知走近新课·一起感知语法感知一、阅读下列句子,写出句中表示过去将来时的部分1.Hesaidhewouldcomebackthenextday.wouldcome2.LastSundayweweregoingtogoforapicnicbutitrained.weregoingtogo3.Wewereinformedthatthetrainwasleavingatsixthenextday.wasleaving二、写出下列句子中的复合词1.Lookattheblackboard.blackboard2.TheChinesepeoplearepeace-loving.peace-loving3.Sheofferedtobabysitformysix-month-oldson.babysit;six-month-old4.Hetoldmeeverything.everything语法探究·一起思考过去将来时和复合词一、过去将来时1.含义:表示相对于过去某个时间而言将要发生的动作或存在的状态。2.常用结构:(1)would+doHethoughtthatmanystudentswouldtakepartinthecontest.他认为许多学生将会参加此次比赛。(2)was/weregoingtodoShetoldmethatshewasgoingtoborrowsomebooksfromthelibrary.她告诉我她要去图书馆借几本书。(3)was/weredoing(一般多为位移动词,如go,come,leave,start,open,begin等)Iwonderedwhentheywerecomingagain.我想知道他们什么时候再来。记一记·长知识would用于过去将来时和表示过去重复的动作时含义不同。Hesaidhewouldraisethequestionatthemeeting.他说他将在会议上提出这个问题。WhenIwasyoung,Iwouldhelpmymumdohousework.小时候,我常常帮妈妈做家务。【即学即用】翻译句子①他说他妈妈将给他买一辆新自行车。Hesaidhismumwouldbuyhimanewbike.②她许诺说再也不作弊了。Shepromisedthatshewouldnotcheatanymore.③我被告知我们即将出发。Iwastoldthatwewerestartingsoon.单句语法填空④Theannouncementsaidthetrain____________(arrive)infiveminutes.⑤Ireallyhadnoideawhethershe____________(attend)thepartyornot.二、复合词1.复合名词名词+名词:football足球名词+动词:snowfall下雪名词+动词-ing形式:horse-riding骑马名词+介词+名词:daughter-in-law儿媳形容词+名词:greenhouse温室副词+名词:income收入介词+名词:afternoon下午动词-ed形式+副词:grown-up成年人2.复合形容词名词+形容词:world-famous世界闻明的名词+动词-ing形式:peace-loving热爱和平的名词+动词-ed形式:heart-broken伤心的形容词+名词:long-distance长途的形容词+形容词:dark-blue深蓝色的形容词+动词-ed形式:new-born新出生的副词+动词-ing形式:hard-working勤劳的数词+名词:first-class头等的数词+名词+形容词:ten-year-old十岁大的3.复合动词名词+动词:water-cool用水冷却形容词+动词:quick-charge快速充电副词+动词:outact行动上胜过4.复合代词形容词+名词:something某物形容词+副词:anywhere任何地方【即学即用】完成句子①Itwasonlya____________(15分钟的)trip.②Thesestudentsareallfrom_________________(说英语的)countries.③Weshouldreducetheemissionof____________(温室)gases.④____________(在……下画线)thesentencesyoudon’tknow.随堂练习一、用所给词的适当形式填空1.Thescientistspredictedthattheworld’spopulation_______________(slow)downinthefuture.答案:wouldslow2.H