现在进行时PresentContinuousTense教学重、难点：1.现在进行时的的结构及运用。2.现在分词的构成。现在进行时表示说话时正在发生的动作或现阶段在进行的行为.now,look,listen…Iamwritingaletternow.Look!Theyarewaitingforyou.1.We__________(work)onafarmnow.2.Listen!Someone__________(knock)atthedoor.3.Lucy___________(notread)atthemoment.4.*Wherearethey?They___________(run)outside.(am/is/are+doing)areworkingisknockingisn’treadingarerunningTalkaboutthepeopleinthepicture.What’shedoing?He’sreading.*Whataretheydoing?*Theyareplayingbasketball.…Whataretheydoing?Theyarerunning.Whataretheydoing?Theyareeatingmeat.Theyareridingabike.Whataretheydoing?Whatishedoing?Heiseatingahamburger.Whatishedoing?Heisplayingtheguitar.Whatisshedoing?Heisplayingfootball.Sheisplayingtennis.Whatishedoing?Whatisthecatdoing?Itissleeping.Whatistheelephantdoing?Itisdrinkingwater.Shereadisingnow.Heeatisingnow.Listen!Thebirdissinging.Look!Theboyisplaysoccer.ingTheywatchTVareingnowThemanrunisningnow.Theboyswimismingnow.Theydancearenow.ing知识要点：知识要点：一.现在进行时的定义:现在进行时是表示现在、说话瞬间或当前一直正在做着的动作.二.现在进行时的谓语结构:am/is/are+现在分词am/is/are在现在进行时句子谓语结构中作助动词用，无词义。am/is/are的选择运用由句子的主语人称或数决定。A:IamwatchingTvathome.B:Daveiscleaningthefloor.C:Thestudentsareseeingamovie.三.现在分词的构成:(1)一般动词在后面直接加—ing,如：read-------reading;play-------playing;(2)以不发音字母“e”结尾的单词，去掉“e”后加－ing,如write-----writing;have-----having;（3）以“ie”为重读音节结尾的单词，一般变“ie”为y后再加－ing,如：tie------tying;lie-------lying;(4)“辅音字母＋元音字母＋辅音字母”结构结尾的重读闭音节单词加写后面的辅音字母后加－ing;如：run----running;swim-----swimming;beginsitputgetrunletswimshopstopcutplanchat写出下列词的现在分词：1.make——2.open———3.clean——4.carry———5.lie———6.begin———7.see———8.get————Exercises:makingopeningcleaningcarryinglyingbeginningseeinggettingstoppingplaying四.现在进行时的形式转换：1.将一个现在进...
