小学英语第三人称单数专题讲解.ppt

小学英语专项小学英语专项-一般现在时的人称一般现在时的人称单数单数2021/5/271I 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2021/5/272What do you often do on the weekend?play football watch TV cook Chinese food study English do homework2021/5/2732021/5/2742021/5/2752021/5/276I often play football.He often plays football.I often cook Chinese food.He often cooks Chinese food.2021/5/277 I often watch TV.He often watches TV.2021/5/278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。2021/5/2791.一般情况下，直接在动词后一般情况下，直接在动词后+s，come play like draw read comes plays likes draws reads2021/5/27102.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 teach wash go watches teaches washes goes2021/5/2711 I often study English.He often studies English.2021/5/27123.以以辅音字母辅音字母+y 结尾结尾的动词，的动词，变变y 为为i，再，再+es study fly studies flies2021/5/2713 I often do homework.He often does homework.2021/5/2714I often have an English class.He often has an English class.2021/5/27154.不规则变化动词不规则变化动词have do has does2021/5/2716Do you often play football?Yes,I do.No,I dont.2021/5/2717Yes,he does.No,he doesnt.Does he often play football?2021/5/2718I often play football.Do you often play football?He often plays football.Does he often play football.2021/5/2719在一般现在时中，当在一般现在时中，当主语是第三人称单数主语是第三人称单数时，时，疑问形式？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?句子前加句子前加上上doHe plays football.Does he play football?句子前加句子前加does后后还有什么变化还有什么变化2021/5/2720She often watches TV.She often does homework.Does she often watch TV?Does she often do homework.2021/5/2721I often play football.I dont often play fooball.He often plays football.He doesnt play football.2021/5/2722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.2021/5/2723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?2021/5/27242021/5/2725