七年级英语时态复习课件.ppt

ReviewOfTenses No 5MiddleSchoolofAcheng 肖艳红 在英语中 用动词的不同形式来表示动作发生的时间或存在的状态 时态 Tense 一般现在时PresentSimpleTense 一般现在时的用法 1 表示经常性或习惯性的动作或存在的状态 表示主语具备的性格和能力 主语的身份 喜好等 与often always usually sometimes onceaweek everyday onSunday 等表示频率的副词或时间状语连用 如 Heisastudent andhelikesmaths Ioftengotoschoolbybike 2 表示客观事实或普遍真理 如 Theearthgoesaroundthesun 地球绕着太阳转 3 在时间 条件等状语从句中 用一般现在时表示一般将来时 如 Ifitrainstomorrow wewon tgotothepark 如果明天下雨 我们就不去公园了 WhenIgrowup IwillgotoAmerica 等我长大后 我将去美国 4 在某些以here there开头的句子中用一般现在时表示正在发生的动作 如 Herecomesabus 公交车来了 一般现在时的构成1 用实义动词原形do或第三人称单数形式does SometimesLucywashesherclothesbyherself 有时候露西自己洗衣服 Tomoftenhelpshisparentsdohouseworkathome 汤姆在家经常帮助父母做家务 2 用be动词的一般现在时的三种形式 am is areTheyaregoodfriends Heisasmartboy 3 用情态动词后加动词原形 Hecandresshimselfnow Thegirlmaybeastudent 一般现在时的构成动词的变化 只有第三人称作主语时 动词才有变化 其余的作主语 动词保持原形 动词原形变三单规则 a 一般动词在词尾加s Helikesswimming b 以字母s x ch sh o结尾的动词后加es go goesdo doeswash washescatch catchesc 以辅音字母加y的动词先变y为i 再加es study studiestry tries Exercise Thetwins wash theclotheseveryday Sometimeshe play basketballoverthere Howoften Sally sing wash plays 一般现在时的构成与句式变化1 Lucywashesherclothesbyherself 否定句 一般疑问句 Tomoftenhelpshisparentsdohousework 否定句 一般疑问句 2 Theyaregoodfriends 否定句 一般疑问句 Heisasmartboy 否定句 一般疑问句 3 Hecandresshimselfnow 否定句 一般疑问句 Lucydoesn twashherclothesbyherself DoesLucywashherclothesbyherself Tomdoesn toftenhelphisparentsdohousework DoesTomoftenhelphisparentsdohousework Theyaren tgoodfriends Aretheygoodfriends Isheasmartboy Heisn tasmartboy Hecan tdresshimselfnow Canhedresshimselfnow 现在进行时PresentProgressiveTense 现在进行时的用法表示说话时动作正在发生或进行 表示现阶段或不限于说话时特定的时间范围内进行的动作 有时还能表示按计划或安排将要进行的动作 常有now atpresent atthismoment look listen rightnow等提示语 现在进行时的构成be is am are doing 动词 ing 现在分词 形式的构成 writingtaking asking gettingrunningswimming asking asking 以ie结尾且是重读音节的动词 先把ie变成y再加inglie lyingtie tyingdie dying 现在进行时的特殊用法 1 Heiscomingbacktomorrow 用现在进行时表示已经计划和安排好了的 即将发生的动作 这类词有 go come leave arrive 2 Heisalwaystellinglies 现在进行时态与always连用时 表示反复出现或习惯性的动作 带有感情色彩 Exercise Thetwins wash theclothesnow Look He play basketballoverthere Listen Sally sing arewashing isplaying 一般过去时态SimplePastTense 一般过去时的用法 1 表示过去某一时间发生的动作或存在的状态 Igotupatsixthismorning 今天早上我六点起床 Wevisitedthefactorylastweek 上周我们参观了那个工厂 2 表示过去的习惯或经常发生的动作 Ioftenswamintheriverthreeyearsago 三年前 我常常在河里游泳 1 与ago连用 amomenttwominutesthreehoursfivedaysoneweeksixmonthsfouryears ago 用于一般过去时的时间状语 last timenightweekmonthtermMonday yesterday morningafternoonevening thedaybeforeyesterday 2 与last连用 3 与yesterday连用 4 与one连用 one morningeveningdayMondayafternoon 5 与that连用 that morningwinterdayyear justnowintheolddaysinthosedaysin1980theotherdayatthattimeonceuponatime 6 其他时间状语 一般过去时的构成一般过去时用动词的过去式表示 LastweekTommadeamodelplanewithhisfriendJack 上周汤姆和他的朋友杰克做了一个飞机模型 规则动词 ed形式的构成 moveddied carriedcried stoppedplanned answered 规则动词过去式发音规则 例词 looklooked清辅音后要读 t stopstoppedtriptripped浊辅音 元音后要读 d playplayedstudystudiedcarrycarrieduseuseded若在 t d 后 只读 id 就可以 startstarted 动词加ed 发音有规律 got drank took went swam ate cut were had did came said saw put 不规则过去式 所有时态都是通过动词变化来表现的 I 12yearsoldthisyear 我去年11岁 I 11yearsoldlastyear He inBeijingnow 他昨天在上海 He inShanghaiyesterday 他现在在北京 Comparethesesentences 我今年12岁 am was is was They inChinatoday 他们今天在中国 They inJapanyesterday 他们昨天在日本 are were am is was are were He swimnow 他现在会游泳了 He swimlastyear 他去年不会游泳 couldn t can could can 他每天都吃水果 He fruiteveryday 昨天他吃了3个苹果 He 3applesyesterday have has had has had Igetupat6 30everymorning I upat9 00lastSunday 动词原形 第三人称单数 动词过去式 got Hedoeshishomeworkeveryevening He somereadinglastnight did 一般过去时的构成与句式变化否定句 一般疑问句 否定句 一般疑问句 否定句 一般疑问句 1 TheywereinJapanyesterday Theyweren tinJapanyesterday WeretheyinJapanyesterday 2 Hehad3applesyesterday Hedidn thave3applesyesterday Didhehave3applesyesterday 3 Hecouldswimlastyear Hecouldn tswimlastyear Couldheswimlastyear Exercises 1 I thenumberdownonapieceofpaperamomentago A writeB writedC wroteD writing2 Everything readybeforefathercame A wereB wasC isD are C B 3 Healways melastterm A helpedB helpsC helpingD help A you remember tobuytheoranges 2 We go tothecinemalastnight Thefilm be verygood 3 Jim do alotyesterday He go shoppingand cook supper Did remember went was did 用动词的适当时态填空 went cooked 1 Lucydidherhomeworkathome 改否定句 Lucy herhomeworkathome 2 Hefoundsomemeatinthefridge 变一般疑问句 he meatinthefridge 3 Shestayedthereforaweek 对划线部分提问 she there 4 Therewassomeorangeinthecup 变一般疑问句 there orangeinthecup didn tdo Did findany Howlongdid stay Was any 拓展延伸 非谓语动词也有几种变化如 1 let have make help 动词原形如 Letme help you study math 2 enjoy like love havefun practice bebusy V ing He practice listen everyday Whatabout go tothemovie listening practices help study going 3 want wo