英语句型转换

英语句型转换改一般疑问句情况一:有be动词和情态动词的句子：①把be动词（am，is，are，was，were）和情态动词(can,may,should,must...)放到句首②遇I/we←→you,my/our←→your,some←→any.③句号→问号（？）例1.陈述句:Theyareinthepark.一般疑问句：Aretheyinthepark?例2.陈述句:Hecouldplaytheguitar.一般疑问句：Couldheplaytheguitar?情况二：没有be动词和情态动词的句子:①do/does/did放到句首（过去时用did，现在时中主语为第三人称单数用does,其余人称用do）特别记住：照妖镜do/does/did后面的动词一定还原成原形。②遇I/we—you,my/our—your,some—any.③句号→问号（？）例1：陈述句:Iwantedsomeoranges.一般疑问句：Didyouwantedanyoranges?例2:陈述句:Helikesthedogs.一般疑问句：Doeshelikethedogs?改否定句情况一：有be动词和情态动词的句子：①在be动词（am,is,are,was,were）和情态动词(can,could,should,may,must...)后面加not（即否定be动词和情态动词）。②如果有some，some→any.【注意】：amnot不能缩写isnot=isn’tarenot=aren’tcannot=can’twasnot=wasn’twerenot=weren’tcouldnot=couldn’t例：陈述句:Theyareinthepark.否定句:Theyarenotinthepark.（Theyaren’tinthepark.）陈述句:Hecouldplaytheguitartwoyearsago.否定句:Hecouldnotplaytheguitartwoyearsago.（Hecouldn’tplaytheguitartwoyearsago.）情况二：没有be动词和情态动词的句子①在动词前面加上助动词的否定don’t/doesn’t/didn’t（过去时用didn’t，现在时中主语为第三人称单数用doesn’t,其余人称用don’t,放到动词前面）特别记住：照妖镜don’t/doesn’t/didn’t,后面的动词一定还原成原形。②Some变成any.例1：陈述句:Helenlikedtheducks.否定句:Helendidn’tliketheducks.例2：陈述句:Helikesthedogs.否定句:Helendidn’tliketheducks.