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1、小学英语专项小学英语专项-一般现在时的第三一般现在时的第三人称单数人称单数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What do you often do on the weekend? play football watch TV cook Chinese food study English do homeworkI often play football.He often plays football. I often cook Chinese food.He often cooks Chinese foo
2、d. I often watch TV.He often watches TV.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。 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,
3、sh, ch, x, o 结尾的动词，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 does2.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 I often study English.He often studies English.3.以以辅音字母辅音字母+
4、 y 结尾结尾的动词，的动词，变变y 为为i，再，再+ es study fly studies flies I often do homework.He often does homework.I often have an English class.He often has an English class.4.不规则变化动词不规则变化动词have do has doesDo you often play football?Yes, I do.No, I dont.Yes, he does.No, he doesnt.Does he often play football?I often
5、 play football.Do you often play football?He often plays football.Does he often play football.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
6、么变化还有什么变化She often watches TV.She often does homework.Does she often watch TV?Does she often do homework.I often play football.I dont often play fooball.He often plays football.He doesnt play football.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.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?
