新概念英语第一册语法总结时态: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、过去将来时ﻫ1.一般现在时表示一般性、经常性的动作或一般性事实。★含有be动词的句子Heisateacher.Thegirlisverybeautiful.TimandJackarestudents.ﻫ★变疑问句将be动词移到句首Isheateacher?Isthegirlverybeautiful?ﻫAreTimandJackstudents?ﻫ★变否定句在be动词后面加notﻫHeisnotateacher.Thegirlisnotverybeautiful.TimandJackarenotstudents.★肯定回答及否定回答Yes,heis.No,heisnot.ﻫYes,sheis.No,sheisnot.Yes,theyare.No,theyarenot.ﻫ★含有一般动词的句子ﻫ★第三人称单数及单数名词Helikesbooks.ﻫShelikeshim.Thedoglikesbones.ﻫ★变疑问句在句首加does,动词变为原型ﻫDoeshelikebooks?ﻫDoesshelikehim?ﻫDoesthedoglikebones?ﻫ★变否定句在主语及动词之间加doesn’t,动词变为原型Hedoesn’tlikebooks.ﻫShedoesn’tlikehim.Thedogdoesn’tlikebones.ﻫ★肯定回答及否定回答:Yes,hedoes.No,hedoesn’t.ﻫYes,shedoes.No,shedoesn’tﻫYes,itdoes.No,itdoesn’t.ﻫ注意:第三人称单数形式一般在动词后面加S。★其他人称及复数名词ﻫIwanttohaveabath.ﻫWehavesomemeat.Thestudentslikesmartteachers.ﻫ★变疑问句在句首加doﻫDoyouwanttohaveabath?Dowehaveanymeat?Dothestudentslikesmartteachers?★变否定句在主语和动词之间加don’t.Youdon’twanttohaveabath.Wedon’thaveanymeat.Thestudentsdon’tlikesmartteachers.ﻫ★肯定回答及否定回答Yes,Ido.No,Idon’t.Yes,wedo.No,wedon’tYes,theydo.No,theydon’t.2.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+其它成分Wearehavinglunch.ﻫHeisreadingabook.ﻫThedogisrunningafteracat.Theboysareswimmingacrosstheriver.ﻫ★变疑问句将be动词移到句首ﻫArewehavinglunch?Ishereadingabook?Isthedogrunningafteracat?Aretheboysswimmingacrosstheriver?★变否定句在be动词后面加notWearenothavinglunch.Heisnotreadingabook.ﻫThedogisnotrunningafteracat.Theboysareswimmingacrosstheriver.ﻫ★特殊疑问句:what,which,how,where,who,etc.疑问词+be动词+主语+现在分词Whatareyoudoing?Whatisshedoing?Whatisthedogdoing?没有进行时的动词(必背)ﻫ表示状态、思想、感情、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,wantﻫ2.have,has作为动词”拥有”的含义时,没有进行时ﻫ3.一般过去时ﻫ表示过去发生的动作或事件,常和表示过去的时间状语连用,如yesterday,lastnight,thedaybeforeyesterday,threedaysago.ﻫ含有be动词的句子,将动词变为过去式,am/is的变为was,are的变为wereﻫIwasatthebutcher’s.ﻫYouwereastudentayearago.Theteacherwasverybeautifultenyearsago.★变疑问句将be动词移动到句首Wereyouatthebutcher’s?Wereyouastudentayearago?Wastheteacherverybeautifultenyearsago?ﻫ★变否定句在be动词后面加notIwasnotatthebutcher’s.ﻫYouwerenotastudentayearago.ﻫTheteacherwasnotverybeautifultenyearsago.★肯定回答否定回答Yes,Iwas.No,Iwasnot.Yes,youwere.No,youwerenot.ﻫYes,he/shewas.No,he/shewasnot.★特殊疑问句:Whatdidyoudo?不含有be动词的句子,将动词变为过去式,动词过去式构成见附录ﻫIfinishedmyhomeworkyesterday.Theboywenttoarestaurant.TheSawyerslivedatKingStreetayearago.KingStreetayearago.ﻫ...