动词ing和三单形式的变化规则.doc

动词ing 形式的变化规则1.一般情况下直接加ingplay玩playing listen听-listening read stories（读故事书）- reading stories climb mountains（爬山）- climbing mountains 2.以不发音的e结尾的动词，去e，再加ingmake制做making dance跳舞-dancing come来-coming3.辅音+元音+辅音结尾的单词，双写词尾字母再加ing *（元音字母a、e、i、o、u）swim游泳swimming run跑步running stop停止stopping shop购物shopping动词第三人称单数形式的用法和变化规则当主语是第三人称单数时，谓语动词要用第三人称单数形式，如： I play football. He plays football. I live in Shanghai. Sarah lives in Shanghai.主语第三人称单数形式： he / she / it / my father /Amy / Zhang Peng1.一般情况在词尾加s: likelikes dance-dances live居住lives2.以o、s、x 、sh、ch结尾的单词加es.dodoes go- goes teach教- teaches watch看-watches wash clothes洗衣服- washes clothes3.以元音（aeiou）+y结尾的单词，加s: play- plays say说- says 4.以辅音+y结尾的单词，变y为i再加es ： fly kites放风筝- flies kites study学习- studies5.特殊记：have有has I have a book. She has a book.动词ing 形式的变化规则1.一般情况下直接加ingplay玩playing listen听-listening read stories（读故事书）- reading stories climb mountains（爬山）- climbing mountains 2.以不发音的e结尾的动词，去e，再加ingmake制做making dance跳舞-dancing come来-coming3.辅音+元音+辅音结尾的单词，双写词尾字母再加ing *（元音字母a、e、i、o、u）swim游泳swimming run跑步running stop停止stopping shop购物shopping动词第三人称单数形式的用法和变化规则当主语是第三人称单数时，谓语动词要用第三人称单数形式，如： I play football. He plays football. I live in Shanghai. Sarah lives in Shanghai.主语第三人称单数形式： he / she / it / my father /Amy / Zhang Peng1.一般情况在词尾加s: likelikes dance-dances live居住lives2.以o、s、x 、sh、ch结尾的单词加es.dodoes go- goes teach教- teaches watch看-watches wash clothes洗衣服- washes clothes3.以元音（aeiou）+y结尾的单词，加s: play- plays say说- says 4.以辅音+y结尾的单词，变y为i再加es ： fly kites放风筝- flies kites study学习- studies5.特殊记：have有has I have a book. She has a book.一般现在时态变陈述句变一般疑问句（主语是第三人称单数）规则Does +he /she/it /一个人的名字、身份+动词原形+.？ 例如 He goes to the zoo. Does he go to the zoo？总结：如果动词是第三人称单数形式，助动词does放句首，主语紧跟在其后，后面动词改成原形，其他依次站。