现在进行时态教案.doc

The Present Continuous TenseNo.13 Middle School Cao YuTeaching goals1. Make the students understand the definition and structu-re of the Present Continuous Tense.2. Make the students use the Present Continuous Tense.Teaching important points1. The structure of the Present Continuous Tense.2. Three methods of adding “ing”.Teaching difficult pointsThree methods of adding “ing”Teaching methodsExplaining and practicingTeaching stepsStep The definition表示现在正在进行的动作和发生的事。Step The structure 现在进行时由助动词be(am/is/are)+现在分词（动词ing）构成。（一）Be 随着人称、数的变化而变化在现在进行时当中，be动词的变化随着主语的变化而变化，如果主语是I则用am，如果主语是单数用is，如果主语是复数用are。（二）现在分词的构成规则1、一般情况，在动词的词尾加上-ing; 如：dodoing eateating playplaying2、以不发音的e结尾的动词，先去e。再加-ing; 如：rideriding makemaking havehaving3、以重读闭音节结尾的动词，末尾是一个辅音字母，它前面是单个元音字母时，即从末尾的字母向前数，是辅(音字母)+元(音字母)+辅(音字母)时，要先将词尾的辅音字母双写，再加-ingrunrunning putputting getgetting stopstoppingcutcutting beginbeginningStep The usage of the Present Continuous Tense.1表示现在正在发生(进行)的动作(不指状态)I am writing a letter. They are learning English in the classroom. Is it raining now? 现在进行时的否定形式是在助动词be后面加not构成，例如is not (isnt), are not (arent)和 am not (没有缩写形式)She isnt (is not ) looking after the child. She is doing homework I am not taking photos. I am watching TV now. 现在进行时的疑问式是将be放在主语前面，句尾改成问号即可。现在进行时的一般疑问句用“Yes, 主语+be动词”表示肯定回答；用“No，主语+be动词的否定形式”表示否定回答。现在进行时的特殊疑问句回答不能用“Yes”或“No”. 如：Are you making a plane? Yes，I am. What are you doing? Im cleaning the windows. 2表示即将发生的动作。一般指最近按计划或安排要进行的动作They are going to Guan Zhou on Sunday. Jim is coming next week. 3、常与现在进行时态连用的词:now, listen,look等。 What are you doing now? Im reading now. Listen! She is singing. Step Homework Recite the structure and the usage of the Present Continuo -us Tense.