【基础精练】Unit 4 IT 语法知识点扫盲-2022-2023学年高一上学期英语基础练（北师大版2019必修第二册）

Unit4InformationTechnology语法知识点扫盲过去将来时语法图解观察句子1．(教材P9)Yet,veryfewpeopleknewthatfutureavatarswouldhavesuchawidevarietyofformsanduses.2．(教材P9)Whenpeoplestartedcreatingtheirownavatars，theydiscoveredthattheyweregoingtohavethepowertocreatenewidentitiesthatdidnotlookoractliketheirrealselvesatall.3．(教材P9)WhenInternetusersrealisedthattheiravatarswouldbeseenbymanypeople,notjusttheirfriends,theystartedhavingmorethanoneavatar...我的领悟过去将来时的基本表示方法有：was/weregoingtodo和should/woulddo；句1和句3的构成是“would＋do”，其中句3是过去将来时的被动形式；句2的构成是“weregoingtodo”。语法知识精讲一、过去将来时的含义过去将来时表示从过去某时看将要发生的动作或存在的状态。◆Ithoughthewouldn'tattendthesocialevening,buttomysurprise,hecame.我原以为他不会参加这个联欢晚会，但是令我惊讶的是，他来了。◆HeaskedmeifIshouldbeintheofficeintheafternoon.他问我下午是否在办公室。二、过去将来时的基本表示方法过去将来时常用“should/woulddo”或“was/weregoingtodo”来表达。表示打算做某事一般只能用was/weregoingtodo”。◆Hesaidthathewouldwaitforusatthebusstop.他说他要在车站等我们的。(1)条件状语从句和时间状语从句中须用一般过去时代替过去将来时。◆Ididn'tknowwhenshewouldcome,butwhenshecameIwouldletyouknow.我不知道她什么时候来，但她来了我会告诉你。(2)would＋do表示过去的某种习惯性行为，不表示过去将来时。◆Hewouldsitbythelake,readingbooksforhours,whenhewasyoung.他小时候总是坐在湖边，读书好几个小时。三、过去将来时的其他表示方法1．was/wereabouttodo、was/wereonthepointofdoing这种结构表示“正要，即将”，一般不与时间状语连用。◆(2020·浙江卷7月)Thefightwasgettingfiercerandfiercer，andthebearwasabouttobreakintoourcamp.打斗越来越激烈，熊正要闯进我们的营地。◆Shewasonthepointofleavingwhenwecamein.我们进来时，她正要离开。2．go、come、leave、take等少数动词可用过去进行时表示过去将要发生的情况。◆Agreatmanypeoplewerecomingtowatchthefireworks.有许多人要来观看焰火。3．was/weretodo这种结构表示“计划做某事”。◆Themansaidhewastotakeuptheposition.这个人说他要担任这个职务。语法知识及时练Ⅰ.单句语法填空1．Thescientistssaidtheworld'spopulation(slow)downinfuture.2．Shesaidthebus(leave)atfivethenextmorning.3．ThismorningAlicewasabout(go)outwhenthedooropenedandincamesomestrangers.4．Thegirlwasgoing(cry)loudlyifshedidn'tseehermother.5．Lastnight,thechildrenwereabouttogohomeitbegantorain.6．Theboywasabout(open)thedoorwhensomeoneknockedatthedoor.7．Heaskedwhat(replace)theoldmaterialinthefuture.8．Hedidn'tknowthattheexperience(change)hiswholelifeinthefuture.9．Mikesaidthathewasgoingtobeafamouswriterwhenhe(grow)up.10．Iwasn'tsurewhetherhe(lend)mehisbookthenextmorning.Ⅱ.语法与写作1．他到达时飞机正要起飞。Whenhearrived,theplane．2．我们接到通知说领导们很快要来参观我们学校。Wewereinformedthattheleaderssoon.3．她不知道那起事故会使她丢掉工作。Shedidn'tknowthat．4．他在农村时经常在湖边散步。Hewhilehewasinthecountryside.5．小偷正要把手伸进那位女士的手提袋中，这时公共汽车突然停了。Thethiefwhenthebussuddenlystopped.参考答案：Ⅰ.单句语法填空1．Thescientistssaidtheworld'spopulationwould__slow(slow)downinfuture.2．Shesaidthebuswas__leaving(leave)atfivethenextmorning.3．ThismorningAlicewasaboutto__go(go)outwhenthedooropenedandincamesomestrangers.4．Thegirlwasgoingto__cry(cry)loudlyifshedidn'tseehermother.5．Lastnight,thechildrenwereabouttogohomewhenitbegantorain.6．Theboywasaboutto__open(open)thedoorwhensomeoneknockedatthedoor.7．Heaskedwhatwould__replace(replace)theoldmaterialinthefuture.8．Hedidn'tknowthattheexperiencewould__change(change)hiswholelifeinthefuture.9．Mikesaidthathewasgoingtobeafamouswriterwhenhegrew(grow)up.10．Iwasn'tsurewhetherhewould__lend(lend)mehisbookthenextmorning.Ⅱ.语法与写作1．他到达时飞机正要起飞。Whenhearrived,theplanewas__just__going__to__take__off．2．我们接到通知说领导们很快要来参观我们学校。Wewereinformedthattheleaderswere__coming__to__visit__our__schoolsoon.3．她不知道那起事故会使她丢掉工作。Shedidn'tknowthatthe__accident__would__make__her__lose__her__job．4．他在农村时经常在湖边散步。Hewould__w