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1、仅供个人参考Forpersonaluseonlyinstudyandresearch;notforcommercialuse一、概念?现在进行时表示说话时正在进行或发生的动作,也可表示当前一段时间内的活动或现阶段正在进行的动作．?结构：助动词?be?(?am?/?is?/?are?)?+现在分词.?二、?现在分词的构成：?1.大多数动词后可在动词后直接加-ing．???Eg:?carry-carrying,catch-catching,drink-drinking,?enjoy-enjoying?hurry-hurrying?,do-doing?
2、,?read-reading?,?think-thinking?2.?如果动词以-e结尾,则去掉-e,再加-ing,?如come-coming?,?have-having?,?make-making,ride-riding,write-writing,take-taking,use-using．?3.?如果动词只有一个元音字母,而其后跟有一个辅音字母时,将此辅音字母双写,再加-ing??如：?hit-hitting,let-letting,?put-putting,run-running,sit-sitting．?4.?如果动词有两个音节,且重音
3、在第二个音节上,则末尾的辅音字母双写,加-ing,??如:?forget-forgetting,prefer-preferring,travel-travellingswim-swimming5.?以?-ic?结尾的动词，应先把?-ic?变为?-ick,再加?-ing,eg:?panic/panicking但?lie/lying?,die/dying,tie/tying是特殊变化要记住．?三、句型结构：?1.现在进行时的肯定形式、否定形式、疑问形式及其回答,所有变化都体现在助动词?be?(?is?/?am?/?are?)?上．??1)现在进行时的
4、肯定形式：主语+be(am/?is/are)+doing+其他成分???I?am?singing?.?They?are?writing?.??2)现在进行时的否定形式:主语+be(am/?is/are)+not?+doing+其他???I?am?not?singing?.?They?aren’t?writing?.??3）一般疑问句及回答：be(am/?is/are)+?主语+doing+其他成分???Am?I?singing???Yes?,you?are?.?/?No?,you?aren’t?.???Are?they?writing???Yes
5、?,they?are?.?/?No?,they?aren’t?.??4)特殊疑问句及回答:特殊疑问词+be(am/?is/are)+主语+doing+其他成分What?are?you?doing???We?are?playing?(要求就提问内容具体回答).?2.?缩写形式如下:?I?am---I’m?You?are---You’re?He?is---He’s?She?is---She’s????It?is---It’s?We?are---We’re?They?are---They’re??四．用法：1.表示现在(?指说话人说话时)?正在发生的事
6、情．往往与?now,at?the?moment,just?等副词连用,以示强调．??We?are?waiting?for?you.?What?are?you?doing??Some?one’s?knocking?at?the?door．?2.正在进行着的动作可视为未完成的动作：??He’s?talking?to?his?friends?in?the?classroom.??可用?still?一词强调动作的持续性??He’s?still?talking?to?his?friends?in?the?classroom.?3.?表示一段时间内不得用于商
7、业用途仅供个人参考重复性的动作,说话时动作未必正在进行．??Mr.?Black?is?writing?another?article.??4.现在进行时可用来表示不会长期发生的动作或情况,或被认为在短期内正在进行的动作或存在的状态?What’s?your?brother?doing?these?days??He’s?studying?English?at?Oxford?University.?5.现在进行时也可以用来表示当前的动向：??People?are?becoming?more?and?more?beautiful?these?days.?
8、6.?表示渐变的动词有：become,turn,get,grow,run,go,begin等．??The?leaves?are?turn
