高中英语unit1 grammar牛津版选修七.ppt

welcome whatkindofthingsshouldweconsiderwhenwewriteacomposition style narrative descriptive argumentive tense sentencestructure wordspelling capital punctuation threetypesoftenses pasttenses presenttenses futuretenses 1thesimplepresent一般现在时 presenttenses thepresentcontinuous现在进行时 thesimplepresent一般现在时 thepresentperfect现在完成时 thepresentperfectcontinuous现在完成进行时 行为动词的一般现在时句式 1肯定句 istayathomeonsaturday theyhavesportseveryday hestaysathomeonsaturday lucyhassportseveryday 1 主语 i we you they 复数名词 动词原形 其他 2 主语 he she it 单数名词 动词第三人称单数 其他 istayathomeonsaturday theyhavesportseveryday hestayathomeonsaturday lucyhavesportseveryday don t don t 主语 i we you they 复数名词 do not 动词原形 其他 doesn t doesn t 主语 he she it 单数名词 does not 动词原形 其他 否定句 do 主语 i we you they 复数名词 动词原形 其他 doyoustayathomeonsaturday does 主语 he she it 单数名词 动词原形doeshestayathomeonsaturday 3一般疑问句 基本用法 1经常性的和习惯性的动作youalwaysrunfasterthati ioftengetupat6 00o clock 标志 usually sometimes often seldominspring everyday inthemorning 2真理和客观事实butitisspringnow itiswarminspring 一般现在时的主要考点 考点一 表示永恒的真理 即使出现在过去的语境中 仍用一般现在时 如 ilearnedthattheearthgoesaroundthesunwheniwasachild 考点二 一般现在时的否定句和疑问句多借助动词 heknowssomefrench butdoesn tknowanygerman 在if unless等词引导的条件状语从句 when till until assoonas等词引导的时间状语从句 当主句中的动词用一般将来时 从句中的动词通常用一般现在时表示将来时间 考点三 时间 条件 程度状语从句中动词的时态 ifit snow tomorrow wewon tgoout assoonasi get homethisafternoon iwillcallyou snows get fillintheblankwithproperwords mary astudent everyday she upathalfpastsix thenshe breakfast sheeatsacupoftea acakeandsomebreadforbreakfast afterbreakfast she herbiketogotoschool she playingbasketballverymuch sosheoften basketballwithherfriendsatschool afterschool she homeatonce and hermotherdosomehousework she herhomeworkateightand tobedatten is gets has rides likes plays goes helps does goes nmet94年38题1ineedonemorestampbeforemycollection hascompletedb completesc hasbeencompletedd iscompleted d 典型考题 nmet862ifit tomorrow thesportsmeetwillnotbeheld a rainsb willrainc goestoraind shallrain a 3 couldyoutellmeifitinwinterinbeijing a snowedb snowsc snowd willsnow4 columbusprovedthattheearth round a wasb isc wered are b b 肯定 主语 is am are 动词ing doing 其他 i am 动词ing 其他 he she it 单数名词 is 动词ing 其他 we you they复数名词 are 动词ing 其他iampreparingforthetrip youarealwaysdreaming 2thepresentcontinuous现在进行时 否定 主语 is am are not 动词ing 一般疑问句 is am are 主语 动词ing 基本用法1 表示现在正在进行的动作和发生的事 句子中常有now rightnow atthismoment或在句首常出现look listen 等提示词 whatareyoudoing iamreadingabook 2 有时表示现阶段正发生的事 但此刻动作不一定正在进行eg heisteachingintheschool listen dannyissingingintheroom wearelearningunit1thesedays 3与always forever continually等连用 表示赞赏 厌烦等感情色彩 heisalwaysthinkingofothers 4go come leave arrive return die等的进行时有时表示即将发生的动作 youarealwayschangingyourmind heisdyingsoon iamcoming 典型考题 1ihavetogotoworkbytaxibecausemycar atthegarage willberepairedb isrepairedc isbeingrepairedd hasbeenrepaired 06重庆 21 2 idon tsupposethepoliceknowwhodidit well surprisinglytheydo amanhasbeenarrestedand now 06江苏 23 hasbeenquestionedb isbeingquestionedc isquestioningd hasquestioned c b 1peoplehavealwaysenjoyedlaughing andtherehasalwaysbeenhumour readthefollowingsentencesandanswer whatkindofpresenttenseisusedhere 2comedianshavealwaystoldjokesandperformedcomicacts thepresentperfecttense现在完成时 1 构成肯定 have has 过去分词 done 1 主语 i we you they 复数名词 have 过去分词 done 其他 2 主语 he she it 单数名词 has 过去分词 done 其他 否定 主语 have has not 过去分词 done 一般疑问句 have has 主语 过去分词 done 通常使用现在完成时的几种情况 1 表示过去发生的某一动作对现在造成的结果或影响 ihavejustfinishedmyhomework mybrotherhasbecomealawyer 2 表示动作从过去开始 持续到现在 justinhaslivedindoversincehewasborn 3 表示反复发生的动作somevillagerssaythattheyhaveseenufosmanytimes 现在完成时的标志 1 already yet ever just recently lately never before adv times 次数 2 sofar uptonow till untilnow inthepast last years since 时间点或从句 for 一段时间 theboyhasalreadygothome ihaven theardfromhimrecently greatchangeshavetakenplaceinthepastfewyearsinchina 现在完成时的考点 1 多和for since引导的状语连用since用来说明动作起始时间for用来说明动作延续时间长度ihavelivedhereformorethantwentyyears ihavelivedheresinceiwasborn 2 itisthefirst secondtime that 结构中的从句部分 用现在完成时 如 itisthefirsttimethatihavevisitedthecity 3 thisis 形容词最高级 that 结构 that从句要用现在完成时 例如 thisisthebestfilmthati ve ever seen fillintheblankwithproperwords 1 you see thefilm notyet butiwillseeitnextweek 2 doyouknowourcityatall ofcourse thisisthefourthtimei be here 3allofus greatly improve ourspokenenglishsofar have seen have been have improved 经典考题 1i inlondonformanyyears buti veneverregrettedmyfinaldecisiontomovebacktochina 06重庆 31 a livedbwaslivingc havelivedd hadlived c 2thecoffeeiswonderful itdoesn ttastelikeanythingi before washavingb havec haveeverhadd hadeverhad c 现在完成进行时 表示过去开始的动作一直延续到现在并仍在继续之中 ihavebeenwritingaletterallthemorning shehasbeentalkingtomesinceshesawme thepresentperfectcontinuous 构成肯定句 主语 have has been 现在分词 doing 其他否定句 主语 have has not been 现在分词 doing 其他 注意 表示短暂性动词不能用于这种时态 一般疑问句 have has 主语 been 过去分词 doing 其他 句子翻译 1整个早上我一直在做作业 2她肯定累了 因为她一天一直在工作 3二十年来他们一直在找那个失踪的小孩 ihavebeendoingmyhomeworkallthemorning shemustbetired forshehasbeenworkingallday theyhavebeenlookingforthelostchildfortwentyyears 一般现在时 现在进行时 现在完成时 现在完成进行时 is am are doing have has done have hasbeendoing do does robertiswritingabouthislatestprojectinhisdiary helphimtofinishitwiththecorrecttense dec 29 2006tuesdaycloudy i be tired buthappytoday i write myplansincejanuary andnowi look foractorstoperforminit it be excitingtothinkofthemsayingthewordsihavebeenimaginingformonths ihavealreadyfoundoneenthusiasticactorwho be super he make afilmrightnow but plan tobeinaplayformanyyears am havebeenwriting amlooking is is ismaking hasbeenplanning ihavedesignedseveraladvertisementformyplan we print themnextweek tickets go onsalenextmonth writing be toughwork bu