初中英语一般现在时与一般过去时(共42张)课件.ppt

,初中英语-一般现在时与一般过去时(共42张ppt),01,课 堂 导 入,ONE,01 课 堂 导 入ONE,The Old Cat：,An old woman had a cat. The cat was very old; she could not run quickly, and she could not bite, because she was so old. One day the old cat saw a mouse; she jumped and caught the mouse. But she could not bite it; so the mouse got out of her mouth and ran away, because the cat could not bite it. Then the old woman became very angry because the cat had not killed the mouse. She began to hit the cat. The cat said, Do not hit your old servant. I have worked for you for many years, and I would work for you still, but I am too old. Do not be unkind to the old, but remember what good work the old did when they were young.,The Old Cat： An old woman h,老猫：,一位老妇有只猫，这只猫特别老，它跑不快了，也咬不了东西，因为它年纪太大了。一天，老猫发现一只老鼠，它跳过去抓这只老鼠，然而，它咬不住这只老鼠。因此，老鼠从它的嘴边溜掉了，因为老猫咬不了它。 于是，老妇特别生气，因为老猫没有把老鼠咬死。她开始打这只猫，猫说：“不要打你的老仆人，我已经为你服务了特别多年，还而且愿意为你效劳，但是，我实在太老了，对年纪大的不要这么无情，要记住老年人在年青时所做过的有益的事情。,老猫： 一位老妇有只猫，这只猫特别老，它跑不,02,考 点 梳 理,TWO,02 考 点 梳 理TWO,Tense,Tense,Tense,Tense 过去 现在,Tense,动词的时态,Tense现在时过去时动词的时态,03,知 识 梳 理,THREE,03 知 识 梳 理THREE,一般现在时 Use,时间状语： often，usually，sometimes，always， never， every（day等），once/twice a（week等），on（Sunday等），in the（morning等）。,Eg : The earth moves around the sun.Light travels faster than sound.,1.经常性、习惯性的动作或状态,2.表示客观真理、事实、人的技能或现在的状态时的句子一般不用时间状语。,一般现在时时间状语： often，usually，somet,一般现在时 Use,Eg: The train for Xiamen leaves at 8:00 in the morning.,Eg: Please ring me up as soon as you arrive in American.If it rains tomorrow, we will have to stay at home.,3. 表十分确定会发生（如安排好的事情）或按照时间表进行的事情。 用一般现在表将来，如begin、come、go、leave、 start 、arrive等词。,4.时间状语从句和条件状语从句中，用一般现在时表将来时。,一般现在时Eg: The train for Xiamen,一般现在时 Structure,否定句,一般疑问句,一般现在时的句式,特殊疑问句,一般现在时否定句一般疑问句一般现在时的句式特殊疑问句,一般现在时 structure,否定句 主语 + do/does/be动词 + not + 其他,一般疑问句 Do/Does/be动词+ 主语 + V.+其他？,一般现在时的句式,特殊疑问句 特殊疑问词 + V. + 主语 + 其他？,特殊疑问词 ： what、when、why、who,一般现在时否定句 主语 + do/does/be动词 +,一般现在时 三单,（1）直接在动词词尾加-s. ask-asks work-works get-gets stay-stays（2）以字母s, x, ch, sh或o结尾的动词，在词尾直接加-es. watch-watches wish-wishes fix-fixes do-does go-goes pass-passes（3）以“辅音字母加 - y”结尾的动词，要先变y为i再加-es. try-tries study-studies cry-cries fly-flies,一般现在时（1）直接在动词词尾加-s.,一般现在时 三单,（1）直接在动词词尾加-s. ask-asks work-works get-gets stay-stays（2）以字母x, s, ch, sh或o结尾的动词，在词尾直接加-es. watch-watches wish-wishes fix-fixes do-does go-goes pass-passes（3）以“辅音字母加 - y”结尾的动词，要先变y为i再加-es. try-tries study-studies cry-cries fly-flies,小蛇在吃食哦！,一般现在时（1）直接在动词词尾加-s. 小蛇在吃食哦！,(1)一般过去时的用法：表示过去某个时间或某一段时间内发生的动作或存在的状态，常与表示过去的时间状语连用，如ago，yesterday，last week，the day before yesterday, long long ago, once upon a time等。例：I bought the book last week.我上周买的这本书。,一、一般过去时,(1)一般过去时的用法：表示过去某个时间或某一段时间内,表示过去经常或反复发生的动作，常与always，usually，often, never，sometimes等表示频度的时间状语连用。例：When I was a child, I often played football in the street. 当我是个孩子的时候，我经常在街上踢足球。注：表示过去经常发生或反复发生的动作，也可用used to或would动词原形。例：I used to go to the library every Sunday. 我以前每个周日都去图书馆。,表示过去经常或反复发生的动作，常与always，usual,动词过去式的构成,规则动词regular verbs,不规则动词irregular verbs,（2）动词的过去式变化规则,动词过去式规则动词不规则动词（2）动词的过去式变化规则,1、一般在动词末尾加 ed （掌握）,look Walkpaintplay cleanVisitWantcoughwatch,look ed Walked painted play ed cleaned Visited Wanted coughed watched,1、一般在动词末尾加 ed （掌握）look lo,2、结尾是 e 的动词只加 - d (了解),live hope use,lived hoped used,live lived,3.重读闭音节词， 先双写这个辅音字母，再加ed,stopPat,stoppedPatted (掌握),stopstopped,4. 以“辅音字母+y”结尾的词，先变“y”为“i”再加ed,study WorryEarlyHappy,studyied WorryiedEarlyiedHappyied,4. 以“辅音字母+y”结尾的词，先变“y”为“i”再加e,不规则动词过去式的构成,不规则动词过去式的构成,1.过去式与原形一样,letlet（让）,utput (放下）,cut cut（砍，剪）,readread（读）,cut cut（砍，剪） readread（读）,2. 把元音字母变成“a”,come came（掌握）give gaveBecome becamedrink drank（了解）begin began,2. 把元音字母变成“a”come,剩余不规则动词,剩余不规则动词,剩余不规则动词表,Infinitive Past Tense am, is are do go havemake get,Infinitive Past Tense eat say see,was were did went had made got,ate said saw,剩余不规则动词表Infinitive Past Ten,一般过去时肯定句变否定句,（3）一般过去时的基本句型结构,一般过去时肯定句变否定句（3）一般过去时的基本句型结构,Be动词类 否定句 实义动词类,初中英语-一般现在时与一般过去时(共42张ppt),1 （be动词类）在表示过去存在的状态 的句子中在was, were的后面加上not。,肯定句： He was in the park the day before yesterday.否定句：He was not in the park the day before yesterday.,1 （be动词类）在表示过去存在的状态,2（行为动词类）要在行为动词的前面加助动词didnt. 然后把动词过去式改为动词原形。即：didnt + 动词原形,肯定句： She played the violin last night.否定句：She didnt play the violin last night.,2（行为动词类）要在行为动词的前面加助动词didnt.,04,例 题 讲 解,FOUR,04 例 题 讲 解FOUR,一般现在时 Exercises,1.Wewillgoforapicnicifit_tomorrow. A wasntrain Bdoesntrain Cwontrain Dwasntraining2.As soon as the rain _ they will go out to pick apples. A stops B stopped C will stop D is stopping 3.Ilikesoftandgentlemusic.It_nice. Aissounded Bsounded Csounds Dsounding4._doyouhangoutwithyourfriends? Onceaweek. AHowlongBHowmanyCHowsoonDHowoften5.The earth is a planet and it _ around the sun. A goes B go C will go D went,一般现在时1.Wewillgoforapicnic,一般现在时 Exercises,答案：B A C D A,一般现在时答案：B A C D A,05,课 堂 练 习,FIVE,05 课 堂 练 习FIVE,一般现在时 Exercises,1.-IsthereaflighttoMoscow?-Yes.It _at11：30am. AwillleaveBleavesChasleftDleft2.-Doyouoftengotothegym?-No,_.Idontlikesportsatall. AalwaysBneverCsometimesDusually3.Whatdoyoudo?Iamanengineer.I _inacompanyinWuhan.Ilikemyjobverymuch. AwillworkBhadworkedCworkDworked4.Whataboutthepenyouboughtyesterday? It_ well,Ilikeitverymuch. AwaswrittenBiswrittenCwroteDwrites,一般现在时1.-Isthereaflightt,一般现在时 Exercises,5.Davidoften_tothemoviesonweekends.Helikesactionmovies. AwentBwillgoCgoesDwasgoing6.Father usually _ his newspaper after dinner. A. read B. reads C. reading D. is reading7.The waiter _ to work at five every morning.A. start B. starts C. starting D. are starting 8.Jack usually _ mistakes last term. But this term he does better.A. makes B. made C. does D. did,一般现在时 5.Davidoften_to,一般现在时 Exercises,答案： B B C D C B B B,一般现在时答案： B B C D C B B,06,课 后 检 测,FIVE,06 课 后 检 测FIVE,一般现在时 Exercises,1、Father usually _ his newspaper after dinner.A. read B. reads C. reading D. is reading 2. The Blacks often _ to the cinema on Saturday evenings.A. go B. goes C. is going D. are going3.Look! The boy _ with his mother in the pool.A. is swimming B. is swimming C. are swimming D. are swiming4.- What is Tom doing in the classroom? - He _ something on the blackboard.A. draws B. draw C. is drawing D. are drawing.,一般现在时 1、Father usually _,一般现在时 Exercises,5. Old Tom usually _ up at six and _ sports in the garden.A. gets, dos B. gets, does C. get, does D. gets, do 6. Its ten oclock and Jack _ still(仍然) _ his homework.A. is, do B. is, doing C. are, do D. are, doing7. The waiters _ to work at five every morning.A. start B. starts C. starting D. are starting8.I _ a letter, so I cant go out with you.A. is writing B. am writing C. am writeing D. am writting,一般现在时5. Old Tom usually _,一般过去时,THANK YOU,一般过去时 THANK YOU,