文档介绍：:一般现在时,现在进行时,一般过去时,现在完成时,一般将来时,过去进行时,过去完成时,,经常性的动作或一般性事实。■.★变疑问句将be动词移到句首Isheateacher?Isthegirlverybeautiful?AreTimandJackstudents?★.★肯定回答及否定回答Yes,,,,,,theyarenot.■不含有be动词的句子,.★变疑问句在句首加does,动词变为原型Doeshelikebooks?Doesshelikehim?Doesthedoglikebones?★变否定句在主语及动词之间加doesn’t,动词变为原型Hedoesn’’’tlikebones.★肯定回答及否定回答:Yes,,hedoesn’,,shedoesn’,,itdoesn’:第三人称单数形式一般在动词后面加S,不要和名词复数混淆,变否定句或疑问句时名词复数没有任何变化。.★变疑问句在句首加doDoyouwanttohaveabath?Dowehaveanymeat?Dothestudentslikesmartteachers?★变否定句在主语和动词之间加don’’’’tlikesmartteachers.★肯定回答及否定回答Yes,,Idon’,,wedon’tYes,,theydon’。构成:主语+be动词+动词的现在分词+其它成分(现在分词的构成见附录).★变疑问句将be动词移到句首Arewehavinglunch?Ishereadingabook?Isthedogrunningafteracat?Aretheboysswimmingacrosstheriver?★.★特殊疑问句:what,which,how,where,who,+be动词+主语+现在分词Whatareyoudoing?Whatisshedoing?Whatisthedogdoing?没有进行时的动词:表示状态,思想,,感官的词see,hear,like,love,want,,has当”拥有”,常和表示过去的时间状语连用,如yesterday,lastnight,thedaybeforeyesterday,3daysago,含有be动词的句子,将动词变为过去式,am,is的过去式为was,are的过去式为wereIwasatthebutcher’.★变疑问句将be动词移动到句首Wereyouatthebutcher’s?Wereyouastudentayearago?Wastheteacherverybeautifultenyearsago?★变否定句在be动词后面加notIwasnotatthebutcher’