青少版新概念英语2A

Book2AUnit1LindacomestoLondon,armchair,coffeebar,coffee,acupofcoffee,sandwich,sandwiches,BaggageHall,BaggageHall,arrivalsexit,suitcase,newwords,nexttoarrivalsexitwaitforBaggageHall,紧靠.旁边进港处出口等待行李领取厅,suitcase手提箱皮箱comeround来到附近stand站立phone电话comeout出来sit坐sandwich三明治armchair扶手椅standup站起来read读TV电视listento听,morewords,nowhaveatest!,Tryit,根据汉语说出英语单词.,单词记忆大比拼,根据英语说出汉语意思.,Unit5,28,ImWatchingTV.,现在进行时,Unit5,29,Ask,and,Answer,30,Iamreadingabook.,Whatareyoudoing?,31,Whatishedoing?,Heiscleaningthehouse.,Unit5,32,Iamdoingmyhomework.,Whatareyoudoing?,Unit5,33,Iamreadingabook.,Whatareyoudoing?,Iamdoingabook.,Iamdrinkingtea.,Whatishedoing?,Heiscleaningthehouse,Heiseatingsomemeat.,Heislisteningtoher.,Whatisshedoing?,Sheislookingattheblackboard.,Unit5,34,Grammar:TheContinuousTense现在进行时,Unit5,35,1.含义：2.标志词：3.构成：,现在进行时的含义与构成,Heisreadingabook.,表示说话时正在发生的动作或现阶段正在进行的行为.,now,look,listen,be+doing(am/is/are+doing),Unit5,36,动词变成现在分词的方法：,直接+ing：,readinglisteningcleaningdrinking,write-writingmake-makinggive-givinghavehavingcome-coming,以重读闭音节结尾且末尾只有一个辅音字母的动词，双写这个辅音字母+ing：,gettinglettingrunningputtingbeginning,以不发音e结尾的动词，去e+ing：,Thepresentcontinuoustense现在进行时,基本用法1.表示现在正在进行的动作和发生的事eg:-Whatareyoudoing?-Iamreadingabook.2.有时表示现阶段正发生的事,但此刻动作不一定正在进行eg:Heisteachingattheschool.WearelearningUnit5thesedays.3.现在进行时的句子中常有now,或在句首常出现Look!Listen!等提示词eg:Listen!Dannyissingingintheroom.Heisdoinghishomeworknow.,2.否定句：直接在am/is/are后加not.如：Iamwriting.Iamnotwriting.,现在进行时的句式,1.肯定句:主语+am/is/are+V-ing其它.如:Iamreadingabook.,3.一般疑问句及回答:问句,直接把am/is/are提句首,若原句有第一人称，把第一人称变成第二人称。肯定回答:Yes,主语+be（be)是要变化的，即am/is/are否定回答:No,主语+be+notYouaredrawingapig.(变一般疑问句，再变肯定回答，否定回答）-Areyoudrawingapig?-Yes,Iam./No,Imnot.特殊疑问句：对beVing提问要用what.格式为：whatam/is/are+主语+doing.?,Unit5,40,-Isthewomanwriting?-No,sheisnt.Sheisreadingabook.,Unit5,41,-Whatretheydoing?,-Theyreswimming.,-Aretheyswimming?,-Yes,theyare.,Unit5,42,-Aretheysinging?-No,theyarent.Theyaredancing.,Unit5,43,Arethey_abook?No,they_._arethey_?Theyre_.,reading,arent,What,doing,writing,Unit5,44,Isthegirl_(get)up?No,she_.What_she_?She_.,getting,isnt,is,doing,issleeping,4.变特殊疑问句：什么是特殊疑问句呢？答：就是对划线部分提问例：LuSiqiisplayingfootball.(对划线部分提问）对am/isare+Ving+名词，提问要用what.格式为：whatam/is/are+主语+doing?WhatisLuSiqidoing?,结构:be+doing(be要根据主语作人称和数的变化)句型转换1.肯定句转换成否定句,要在be后加not构成eg:WearereadingEnglishnow.WearenotreadingEnglishnow.2.陈述句转换成一般疑问句,把be动词提到句首eg:Thestudentisdrinking.Isthestudentdrinking?3.陈述句转换成特殊疑问句,由“疑问词+一般疑问句”构成eg:Heisworking.Whatishedoing?,Unit5,47,练习1.写出下列动词的ing形式.1.help_