初二上册英语语法讲解.doc

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1、初二上册英语语法讲解与练习一般将来时   一般将来时表示将要发生的动作或存在的状态以及计划、打算做某事。E.g.Theywillhaveafootballmatchtomorrow.  Hewillbethirtynextweek.Sheisgoingtobuyacoatthisafternoon.   其结构有如下几种:1)will+动词原形(will可以用于任何人称)需要注意的是当主语是第一人称时will可以换成shall,特别是在以I或we作主语的问句中,一般用shall.e.g.Shallwe

2、gotothezoo?2)begoingto+动词原形3)现在进行时也可表示将来,前边已经讲过,这里不在重复.   第一种结构的句式变化是:变否定句在will后边加not.变一般疑问句把will提前.e.g.Shewillbebackinthreedays.Shewillnotbebackinthreedays.WillShebebackinthreedays?第二种结构的句式变化要在be上做文章.E.g.Theyaregoingtocleantheirclassroom.Theyarenotgoin

3、gtocleantheirclassroom.Aretheygoingtocleantheirclassroom?   其时间状语有如下几种1）this引导的短语如thisyear2）tomorrow及其相关短语如tomorrowmorning3）next引导的短语如nextmonth4)fromnowon;inthefuture;inanhour等。   做题时常见错误如下：一、易忽视动词用原形形式   例：1Hewillis(be)atschoolnextMonday.       2Heisgo

4、ingtodoes(do)hishomeworkafterschool.   答案：1be  2do   解析：第一题有的同学一看he做主语就用了is，忽视了will后应加动词原形。我们在写句子时，很容易把动词丢掉，“英语句子里，动词不能少”的规律必须要牢记。第二题中to后加动词原形，而不是用单三人称.二、begoingto+动词原形与will+动词原形用法不清楚   例：我正努力学习，准备参加英语考试。    IamstudyinghardandIwilltryformyEnglishexams. 

5、  答案：IamstudyinghardandIamgoingtotryformyEnglishexams.   解析：“begoingto”表示计划、打算要做某事。E.g.Heisgoingtovisithisfriends.还表示某种迹象表明会发生某事.e.g.Lookattheclouds.It’sgoingtorain.而“Will+动词原形”指对将来事物的预见、表示意愿、决心。E.g.Iwillwaitforyouuntilyoucome.在单纯预测未来时，二者可以互换，但在此题中只能用be

6、goingto，而不能用will。专项练习：一、单选1_____you____adoctorwhenyougrowup?AWill;goingtobe  BAre;goingtobeCAre;/  DWill;be2Idon’tknowifhisuncle_____.  Ithinkhe_____ifitdoesn’train.Awillcome;comes   Bwillcome;willcome  Ccomes;comes  Dcomes;willcome3Hewillbeback_____afe

7、wminutes.AwithBforConDin4Whattime_____wemeetatthegatetomorrow?AwillBshallCdoDare5Hewillhaveaholidayassoonashe_____theworknextweek.AfinishesBdoesn’tfinishCwillfinishDwon’tfinish6There_____someshowersthisafternoon.Awillbe  Bwillhave  Cisgoingtobe  Daregoi

8、ngtohave7It____mybrother’sbirthdaytomorrow.She_____aparty.Aisgoingtobe;willhave  Bwillbe;ishaving  Cwillbe;isgoingtohave  Dwillhave;isgoingtobe8LiMingis10yearsoldnow,nextyearhe_____11.AisBisgoingtobe  Cwillbe  Dwilltobe二、填空1-“Ine