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1、2012年揭阳市中考英语专题复习提纲情态动词*情态动词也可称为"情态助动词(ModalAuxiliaries)"，因为它和基本助动词(do,have)都属于助动词类。*情态动词和其他动词连用，可表示说话人的语气。*情态动词可表达建议、要求、可能和意愿等。*情态动词没有人称和数的变化。*常用的情态动词有：can,could,may,might,must,shall,should,will,would这九大情态动词；其他的还有oughtto,need,dare等。一、情态动词的变化：(情态动词could，
2、动词work) 1.1简单型(Simple)：表示现在或将来的状态情态动词用法第8页共8页 Icouldwork(动词不可加to) youcouldwork hecouldwork shecouldwork itcouldwork wecouldwork theycouldwork情态动词用法第8页共8页1.2完成式型(Perfect)：表示过去的状态(动词是have+v-ed过去分词。)情态动词用法第8页共8页 Icouldhaveworked youcouldhaveworked hecouldh
3、aveworked shecouldhaveworked itcouldhaveworked wecouldhaveworked theycouldhaveworked情态动词用法第8页共8页1.3进行式型(Continuous)：表示现在或将来还在进行的状态(动词是be+v-ing现在分词。下同)情态动词用法第8页共8页 Icouldbeworking youcouldbeworking hecouldbeworking shecouldbeworking itcouldbeworking weco
4、uldbeworking theycouldbeworking情态动词用法第8页共8页1.4完成进行式型(PerfectContinuous)：表示过去正在进行的状态(动词是havebeen+v-ing现在分词。下同)情态动词用法第8页共8页 Icouldhavebeenworking youcouldhavebeenworking hecouldhavebeenworking shecouldhavebeenworking itcouldhavebeenworking wecouldhavebee
5、nworking theycouldhavebeenworking情态动词用法第8页共8页二、情态动词的疑问句：只要将情态动词移到主语(Subject)的前面，句尾加上问号。这样就成了疑问句。1.Shecanwork.(主语she,情态动词can，动词work)Canshework?(这就是疑问句）2.Hewouldbeworking.(主语he,情态动词would，动词beworking)Wouldhebeworking?3.TheyshouldhaveworkeD. (主语they,情态动词sho
6、uld,动词haveworked)Shouldtheyhaveworked?4.Icouldhavebeenworking.(主语I,情态动词could,动词havebeenworking)CouldIhavebeenworking?三、情态动词的否定句：在情态动词的后面加上not 就成了情太动词否定句。1.Shecanwork.Shecannotwork.(注意：can和not须连在一起）(这就是否定句)2.Hewouldbeworking.Hewouldnotbeworking.(wouldnot
7、)3.TheyshouldhaveworkeD.TheyshouldnothaveworkeD.(shouldnot)情态动词用法第8页共8页4.Icouldhavebeenworking.Icouldnothavebeenworking.(couldnot)四、在口语中，否定情态动词的缩写法：情态动词用法第8页共8页1. cannot----can't2. couldnot----couldn't3. mightnot----mightn't (很少用)4. mustnot----mustn't5.
8、 shallnot----shan't (几乎没人用了)6. shouldnot----shouldn't7. willnot----won't (可不是win't喔！)8. wouldnot----wouldn't情态动词用法第8页共8页五、情态动词的否定疑问句：将否定情态动词移到主语的前面，就成了否定疑问句。1. Canshenotwork?或Can'tshework?(看出有什么不同吗？小心看看喔)2. Wouldhenotbeworking?或W
