初二英语Unit4Onthefarm学案人教朗文版【本讲教育信息】一.教学内容:Unit4Onthefarm二.重点、难点:1.Letmewalkwithyou.我和你一起走。这是个祈使句,let是使役动词,意为“让、使”常构成letsbdosth句式。let后接省略了不定式符号to的宾语补足语。句意为使(让)某人做某事,类似这种句式的还有makesbdosth,havesbdosth。例如:(1)Let’sgoswimmingtomorrow!(2)Don’tmakethebabycry!(3)Hehasmefeedtheanimals.2.Ihavetogethometodomyhomework.haveto/hasto表示由于外部环境、情况、习惯等的客观需要,相当汉语中的“不得不”,例如:(1)It’srainingallday,soIhavetostayathome.(2)Maryhastostudylateintonighttopasstheexam.haveto/hasto与must的区别在于must表示说话人的主观意图和要求,意思为“必须”。如:(3)Wemuststudyandworkhard.(4)Imustdomyhomeworknow.gethome意为“到家”。get是不及物动词,home是副词作状语,get后若接名词作宾语时必须加介词to,例如:(1)Igettoschoolatseveneveryday.(2)Whendidyougetthereyesterday?get,arrive,reach三个词均有“到达”之意,区别在于reach是及物动词,后边直接跟宾语,arrive和get都是不及物动词,当表示“到达……地方时”应用arriveat(小地方)或arrivein(大地方),如用get表达需说getto后接地点。如单纯说“到了”后没有宾语,只能用arrive。例如:(1)WhattimedidtheygettoBeijingyesterday?=WhattimedidtheyreachBeijingyesterday?=WhattimedidtheyarriveinBeijingyesterday?(2)Havetheyarrivedyet?3.TodayImustfeedtheanimals.今天我必须喂这些动物。feedtheanimals意为“喂养动物”,feed作“喂养”,讲是及物动词,常用于下列句式。例如:feed+宾语意为“喂养……”,如:(1)Haveyoufedchicken?(2)Don’tfeedthelionsatthezoo!feed+宾语+on/withsth.意为“给……东西吃”,如:(3)Thechildwasfeedingthemonkeywith/onabanana.(4)Shefeedsthebabywith/onmilk.feedsthto+宾语,意为“喂……给……吃”,如:(5)Shefeedsfishtothecat.=Shefeedsthecatfish.feed作不及物动词时,常与on连用意为“以……为食”多用于动物。例如:(6)Horsesfeedongrass.4.Myjobistofeedtheanimals,too.我的工作也是喂养动物。job与work两个词都作工作解,有时可以互换,但表示具体的某一工作时,不可互换。job是可数名词,侧重某人的职业,一份工作可以说ajob。如:getajob,findagoodjob.work是不可数名词,一份工作要用apieceofwork。例如:(1)It’snoteasytofindafull-timejob.(2)I’mbusytoday.Ihavealotofworktodotofeedtheanimals.不定式短语在句中作表语。如:(3)Mywishistobeateacher.(4)Toseeistobelieve.5.Hisparentsgrowriceandwheat.他父母种稻子和小麦。grow在此句中作为及物动词意为“种植,栽培”如:(1)Thefarmersgrowcottononhisfarm.(2)Wegrowalotofflowersinthepark.grow作为不及物动词,意为“生长、发育”。例如:(3)Thecropsgrowingfastafteraheavyrain.(4)Shegrowsinabeautifulgirl.grow作系动词,后接形容词,意为“变得”。(5)Heisgrowingtallerandtallernow.(6)It’sgrowingdark.grow和plant的区别,grow指从播种、育苗到田间管理等整个过程,plant侧重栽种。如:(7)Weplantmanytreeseveryyear.6.Inthecountry,hecanhearbirdssingingandsheepbleating.在农村,他能听到鸟在唱歌,羊在叫。inthecountry=inthecountryside意为“在农村”。例如:(1)Inthecountry/Inthecountrysideweworkedwithpeasants.(2)Theyaregoingtothecountrysidetoliveacountrylife.country还可指“国家,国民”。如:(3)Heisgoingtoreturnhiscountrynextyear.(4)Thecountryisagainstwar.全国人民都反对战争。hearsbdoingsth表示听到某人正在干某事。(主要指动作正在进行);hearsbdosth意为听到某人做某事了,(强调事实)。例如:(5)IcanhearhimreadingEnglish.(6)Weheardhimtellthestorytwice.与此种结构相同的还有动词see,watch,notice等,即seesbdoingsth,see...