镇江市第三中学教学案九年级上英语执稿人:冯洁第34课时:9AUnit6TVprogrammes(Grammar)班级:姓名:授课时间:2014年11月__日(星期_)【学习目标】1.学会用if引导的条件状语从句。2.学会用unless引导的条件句。【课前预习】一、选择适当的连词完成句子。if,unless,when,while,and,or1.Myunclelikesplayingsoccer,_________helikesplayingbasketball,too..2.________theboyfelloffhisbike,Iwaswalkingdownthestreet.3.Don’tlistentomusic________youaredoinghomework.4.Gotobedearly________youmayfeelsleepyinclass.5.Iwon’twriteane-mailtohim_________hewritesmefirst.6._________hecomeshere,Iwilltellhimaboutit.二、预习84-86页,翻译下列句子。1.如果西蒙到家太晚,他会错过他喜欢的卡通节目。___________________________________________________2.如果桑迪发现节目有趣,她会把它介绍给我们。___________________________________________________3.如果有危险母狼会保护他们的家人。___________________________________________________4.你要到这电影的结尾才会找到答案。___________________________________________________5.除非你对它几乎没有什么兴趣,你将有机会看到电视节目是如何录制的。________________________________________________________________________________【知识要点】1.if的用法。(1)if连词,意为“如果”,用于条件和假设句中。它所接从句的位置,可以放在主句前,也可以放在主句之后。如果放在主句前,则必须用逗号与主句隔开。它连接的句子的时态与主句保持一致,但如果主句所用的时态是将来时,那么if引导的从句的时态则用一般现在时。如果我明天有空,我会和你们一起去远足。IfItomorrow,Iwithyou(2)if连词,意为“是否”,用于宾语从句中。此时它所接的从句要用陈述句的语序。他问我们英语是不是我们的主要课程。HeaskedusifEnglishourmajorsubject.2.unless的用法连词,意为“除非……,如果不……”,unless引导条件句时,主要用于下列情况。(1)主句为肯定句。如果你不更努力学习,你化学考试还会不及格。Youinchemistryagainyouworkharder.(2)主句为否定句。要是我对这些事情没有把握,我就不说这话了。九年级英语备课组-第1页-第34课时镇江市第三中学教学案九年级上英语执稿人:冯洁IsaythisIweresureofthefacts.3.until“直到……的时候”。Let’swaituntilthetrainstops.让我们等火车停下来吧。until可以和till互换,但till一般只位于句中,不能位于句首。not…until…直到…才…Youwon’tfindouttheansweruntiltheendofthefilm.你要到电影结束才能发现答案。【当堂巩固】一、介词填空。1.Hewon’tfindhislaziness_______hefailsintheexams.2._______acoldmorning,thechildrenlefthomeearlytothefarm.3.CCTVnewsisagoldenprogramme______7:00p.m.and7:30p.m.4.Hewasborn_________March1995,Shanghai.5.Simonfinishedallhishomework________goingtobed.6.Andywashedhisface__________gettingup.二、词汇运用。1.Ifadogisindanger,itwill_______(攻击)people.2.Wewillarriveatthe___________(摄影棚)around9:30a.m.3.Youwon’tneedtotakethe___________(中巴车)unlessyouaretired.4.The_________(情形)willcontinuegoingworseunlesshumanstakeactionatonce.5.YouwillhaveachancetoseethatTVprogrammeifitisr__________.6.IfAmyc__________allherhomework,shewillbeallowedtowatchTV.7.M________wolveswillprotecttheirfamilies.8.Ifyouenjoy________(see)thefilm,youcanseeitagain.9.Ifit___________(notrain)tomorrow,wearegoingtoplayfootballinthepark.10IfMaryfindsagameinteresting,she__________(introduce)ittous.【课堂延伸】一、完形填空Charliewassenttorepairthetelephoneinacollege.He1hiscaroutsidethegateandwalkedtothelabwhileaprofessor(教授)andhisstudents2aroundthecollegeflagpole(旗杆)infrontoftheteachingbuilding.Hestoppedtowatch3theyweredoingthere.“It’snecessary4howhigh...