小学英语第三人称单数专讲.pptx

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1、I often/usually/sometimes一般现在时一般现在时经常性、习惯性的发生的动作经常性、习惯性的发生的动作第1页/共25页 play football watch TV cook Chinese food study English do homework第2页/共25页第3页/共25页第4页/共25页第5页/共25页I often play football.He often plays football.I often cook Chinese food.He often cooks Chinese food.第6页/共25页 I often watch TV.He oft

2、en watches TV.第7页/共25页在一般现在时中，当在一般现在时中，当主语主语是是第三人称单数第三人称单数时，谓语动词时，谓语动词要用第三人称单数形式，即要用第三人称单数形式，即常在动词原形后加常在动词原形后加-s或或-es。第8页/共25页 在一般现在时中，当在一般现在时中，当主语主语是是第三人称单数第三人称单数时，谓语动词要用时，谓语动词要用第三人称单数形式，即常在动词原形后加第三人称单数形式，即常在动词原形后加-s或或-es1.一般情况下，直接在动词后一般情况下，直接在动词后+s play like read plays likes reads2.以以s,sh,ch,x,o 结

3、尾的动词，在词尾结尾的动词，在词尾+eswatch wash gowatches washes goes3.以以辅音字母辅音字母+y 结尾结尾的动词，变的动词，变y 为为i，再，再+esstudy flystudies flies4.不规则变化动词不规则变化动词have hasdo does第9页/共25页2.以以s,sh,ch,x,o 结尾的动词，在结尾的动词，在词尾词尾+es watch wash go watches washes goes第10页/共25页 I often study English.He often studies English.第11页/共25页3.以辅音字母+y

4、 结尾的动词，变y 为i，再+es study fly studies flies第12页/共25页 I often do homework.He often does homework.第13页/共25页I often have an English class.He often has an English class.第14页/共25页4.不规则变化动词不规则变化动词have do has does第15页/共25页Do you often play football?Yes,I do.No,I dont.第16页/共25页Yes,he does.No,he doesnt.Does he

5、 often play football?第17页/共25页I often play football.Do you often play football?He often plays football.Does he often play football.第18页/共25页在一般现在时中，当主语是第三人称单数时，疑问形式？当主语为第一二人称时，怎样变成疑问句？当主语为第一二人称时，怎样变成疑问句？I often play football。Do you often play football?句子前加上doHe plays football.Does he play football?句

6、子前加does后还有什么变化第19页/共25页She often watches TV.She often does homework.Does she often watch TV?Does she often do homework.第20页/共25页I often play football.I dont often play fooball.He often plays football.He doesnt play football.第21页/共25页在一般现在时中，当主语是第在一般现在时中，当主语是第三人称单数时，否定形式？三人称单数时，否定形式？1.He often watches TV.He doesnt watch TV.2.He often cooks Chinese food.He doesnt often cookk Chinese food.第22页/共25页对比变化对比变化I often play football.I dont often play football.Do you often play football?He often plays football.He doesnt often play football.Does he often play football?第23页/共25页第24页/共25页感谢您的观看！第25页/共25页