三单疑问句和否定句形式,三单否定句动词还变吗

三单疑问句和否定句形式,三单否定句动词还变吗

一般现在时三单否定句和一般疑问句一、一般现在时第三单数否定句：1. He does not like to eat spicy food. 2. She does not live in the city. 3. The dog does not bark a肯定句：主语（现三单）　V动词三单　其它主语（非三单）　V动词原形　其它否定；主语+doesn't\don't+动词原形+宾语.一般现在时变否定句的规则：含有实义动词的句子，变否定

ˇ▽ˇ ①主语是三单（第三人称单数）肯定句：主语+动词单数形式+其它.Xiao Ming plays game with his friend.否定句：主语+doesn’t+动原+其它.Xiao Ming doesn’t paly game with his fr第三人称单数用is;过去式为was;复数用are,过去式为were. 注意：动词have ,遇到主语是第三人称单数时，要用has; 动词be 的第三人称单数形式是is。含have和has的肯定句变否

∩▂∩ 温馨提示：第三人称单数形式后面的动词要加s，而疑问句和否定句中出现助动词does（已经是第三人称单数形式，所以动词用原形），比如：He likes drawing. 他喜欢画画。否定句：He doe1、疑问句变否定句，eg:does she like sports?---she doesn't like sports.变法：先将疑问句还原为陈述句，如上题，改为陈述句后是：she (does)like sports.再将陈

ˋ△ˊ 非三单三单肯定句：人称+动词原形| 三单+动词原形s|es 否定句：人称+动词原型| 三单+does+动词原形一般疑问句：do+人称+动词原形| does+三单——动词原型特同样，在一般疑问句及其答语，否定句中，主语是“三单”时，借用助动词do的“三单”形式does和否定形式doesn't来表示，其他不变。Do you have a soccer ball? Yes, I do./No, I don't

三单的否定式和疑问句都要用助动词do(三单用does),是用助动词do变，原来的实义动词不用变.如：He likes sports.(肯定句)He does not like sports.(否定句)Does h一般疑问：Does Tom do his homework every day?反意疑问句：Tom does his homework every day,doesn't he?特殊疑问句：When does Tom do his homework?否定句：To