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1、一.时态: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，过去将来吋1.一般现在时表示一般性，经常性的动作或一般性事实。U含有be动词的句子Heisateacher.Thegirlisverybeautiful.TimandJackarestudents.★变疑问句将be动词移到句首•Isheateacher?Isthegirlverybeautiful?AreTimandJackstudents?★变否定句在be动词后面加notHeisnotateacher.Thegirlisnotverybeautiful.TimandJackarenotst
2、udents.★肯定回答及否定回答Yes,heis.No,heisnot.Yes，sheis.No,sheisnot.Ycs，theyarc.No,theyarcnot.不含有动词的句子，即含有一般动词的句子第三人称单数及单数名词Helikesbooks.Shelikeshim.Thedoglikesbones.★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’tlikebooks.Shedoesn'tlikehim.Th
3、edogdoesn'tlikebones.★肯定回答及否定回答：Yes，hedocs.No,hedoesn’tYes，shedoes.No,shedoesn’tYes，itdoes.No,itdoesn’t.注意：第三人称单数形式一般在动同后面加s，不要和名同复数混淆，变否定句或疑问句时名词复数没有任何变化。其他人称及数名词Iwanttohaveabath.Wehavesomemeat.Thestudentslikesmartteachers.★变疑问句在句首加doDoyouwanttohaveabath?Dowehaveanymeat?Dothestudentslikesmartt
4、eachers?★变否定句在主语和动词之间加don’t.Youdon’twanttohaveabath.Wedon’thaveanymeat.Thestudentsdon’tlikesmartteachers.★肯定回答及否定回答Yes，Ido.No,Idon’t.Yes,wedo.No,wedon’tYes，theydo.No,theydon’t2.现在进行时表示现在正在进行的动作。构成：主语+be动词+动词的现在分词+苒它成分（现在分词的构成见附录）Wcarchavinglunch.Heisreadingabook.Thedogisrunningafteracat.Theboys
5、areswimmingacrosstheriver.★变疑问句将be动词移到句首Arc'vchavinglunch?Ishereadingabook?Isthedogrunningafteracat?Aretheboysswimmingacrosstheriver?★变否定句在be动词后而加notWcarcnothavinglunch.Heisnotreadingabook.Thedogisnotrunningafteracat.Theboysareswimmingacrosstheriver.★特殊疑问句：what,which,how,where,who,etc.疑问词+动词+主语
6、+现在分词Whatareyoudoing?Whatisshedoing?Whatisthedogdoing?（必背）没有进行时的动词表示状态，思想，感情和感觉的动词不能表示正在进行的动作1.表示感觉，感官的词see,hear,like,love，want，1.have,has当”拥有”讲时没有进行时2.—般过去时表示过去发生的动作或讲件，常和表示过去的吋间状语连用，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xVi为was,are的过去式为wereIwasatthebu
7、tcher’s，Youwereastudentayearago.Theteacherwasverybeautifultenyearsago.★变疑闷句将be动同移动到句首Wereyouatthebutcher’s?Wereyouastudentayearago?Wastheteacherverybeautifultenyearsago?★变否定句在be动词后面加notIwasnotatthebutcher’s.Youwerenotastudentayear
