现在进行时态授课课件.ppt

现在进行时 ThePresentContinuousTense 初中英语时态系列 现在进行时 ThePresentContinuousTense 一 用法现在进行时态表示现在 说话瞬间 正在进行或发生的动作 如 Thestudentsarelisteningtotheteacher HeiswatchingTVnow 现在进行时态还可以表示当前一段时间内的活动或现阶段正在进行的动作 如Weareworkingonafarmthesedays Iamwritingabookthismonth 二 基本构成现在进行时由be am is are 动词现在分词构成 肯定式结构 主语 be 动词现在分词 其他 否定式结构 主语 be not 动词现在分词 其他 一般疑问句结构 Be 主语 动词现在分词 其他 特殊疑问句结构 疑问词 be 主语 动词现在分词 其他 三 动词现在分词的构成 只有一个元音字母及紧跟其后只有一个辅音字母 把下列动词变成现在分词 dowritehavegorun readwatchgetswimclean doing writing having going running reading watching getting swimming cleaning 四 提示性词语 1 now Eg1 Thechildrenareplayinggamesovertherenow 2 Look Listen Eg1 Look Someboysareswimmingintheriver Eg2 Listen LucyissinginganEnglishsongintheclassroom 3 Itis 具体的钟点 提示后句 Eg1 It s6 30inthemorning LiLeiisgettingup Eg2 It stwelveo clock Thestudentsarehavinglunchatschool 4 Whereis are am 主语 提示后句 Eg1 Whereisyourfather HeiswatchingTVintheroom Eg2 WhereisTom Heisdoinghomeworkintheclassroom 5 上下文提示 Eg1 Whatareyoudoing Iamlisteningtomusic 针对性练习 用所给动词的适当形式填空 1 Look Thecat run upthetree 2 Thetwins have breakfastnow 3 he clean theblackboard No heisn t 4 Tom play thepianointheroom Pleaseaskhimtocomehere isrunning arehaving Is cleaning isplaying 5 Listen They sing intheclassroom 6 It s6 30intheevening TheGreens have dinner 7 Whereisyourbrother He swim intheriver 8 Pleasebequiet Yourfather sleep intheroom aresinging arehaving isswimming issleeping 五 相关的句型转换 1 变否定句 现在进行时态的句子变否定句时 在am is are后加not 常与am is are用缩略式 Eg1 Theyaresinging Theyarenot aren tsinging 2 变一般疑问句 现在进行时态的句子变一般疑问句时把am is are提到句首 大小写发生变化 句号变问号 Eg1 Iamdoingmyhomeworknow Areyoudoingyourhomeworknow Eg2 Thestudentsarehavingclasses Arethestudentshavingclasses 3 划线提问 先确定疑问词 然后把除掉划线部分的句子变成一般疑问句接在疑问词后面 Eg1 Heiswritingaletter 划线提问 Whatishedoing Eg2 Lucyisdancing 划线提问 Whoisdancing 针对性练习 按要求改写句子1 Wearecleaningourclassroomnow 改为否定句 We ourclassroomnow 2 Heisdoinghishomeworknow 改为一般疑问句 doinghomeworknow No 3 Thetwinsaresingingintheroom 对划线部分提问 arethetwinsintheroom 4 Sheismakingcakes 对划线部分提问 isshe 5 Lucyislookingforherruler 对划线部分提问 isLucy aren tcleaning Ishehisheisn t Whatdoing Whatmaking Whatlookingfor 综合练习一 写出下列动词的现在分词 readjumptalkplaycleanwatchdoeatsinglistenlook reading jumping talking playing cleaning watching doing eating singing listening looking writeridegivehavedance writingridinggivinghavingdancing runswimgetcutshopbeginsit runningswimminggettingcuttingshoppingbeginningsitting 练习2用now把下列句子变为现在进行时态 1 Ilookattheblackboard 2 Wehaveourclass 3 Hedoeshishomework 4 Hedoesn trun Iamlookingattheblackboardnow Wearehavingourclassnow Heisdoinghishomeworknow Heisn trunningnow 综合练习三 选择填空 1 Whatareyoudoing I A eatB caneatC eatingD ameating 2 Wewant thisbooknow A readingB amreadingC readD toread 3 Ourteacheris aredsweater A puttingonB putonC wearingD wear 4 Thatboyisn t theteacher A listenB listensC listeningD listeningto 5 It seighto clock Jim sfamily TV A iswatchingB arewatchingC watchD towatch 6 Mymotheris acake mybirthday A making toB making forC doing toD doing for 7 Letme thesebooksinthebox A putsB putC toputD putting 8 you thewindow Yes Iam A Do cleanB Is cleaningC Are cleaningD Do cleaning D D C D B B B C 综合练习四 句型转换1 Iamwateringtheflowers 否定句 2 She sjumpingnow 一般疑问句 3 Theboysareplayingcards 划线提问 4 Heisdoinghishomework 复数句 Iamnotwateringtheflowers Isshejumpingnow Whataretheboysdoing Theyaredoingtheirhomework 综合练习五 汉译英1 我们正在看电视 2 他们正在打扫教室 3 汤姆正在吃早饭 4 我的祖父母正在睡觉 WearewatchingTV Theyarecleaningtheclassroom Tomishaving ea