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1、当主语是单数第三人称时，它与助动词does有关，但是动词谓语一定要恢复为原形。当主语是其他人称时，它与助动词do有关。,I like English.She likes it very much.We go to work by bike.,I do not like English.She does not like it very much.We do not go to work by bike.,否定句,实义动词的否定式:do(does)+not+实义动词,do not=dontdoes not=doesnt,例:将下列各句从肯定式改为否定式,I talk to Peter becau
2、se I like him.Kate comes from America.Kate works with Peter,I dont talk to Peter because I dont like him.,Kate doesnt come from America.Kate doesnt work with Peter.,一般现在时的疑问句形式:Do+I/you/we/they+动词原形？Does+he/she/it+动词原形？答语：Yes,主语+do/does.No,主语+dont/doesnt.,Do you go swimming every week?Yes,I do./No,I dont.Does he/she smoke?Yes,he/she does./No,he/she doesnt.Do they often listen to music?Yes,they do./No,they dont.,
