初中英语-一般现在时与一般过去时(共42张)课件.ppt

1、01 课 堂 导 入ONEThe 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

2、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

3、 old did when they were young.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。02 考 点 梳 理TWOTense 过去过去 现在现在Tense 过去过去 现在现在 一般过去时一般过去时一般现在时一般现在时T

4、ense现在时现在时过去时过去时一般一般do/doesdid03 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、习惯性经常性、习惯性的动作或状态的动作或状态2.表示表示客观真理、事实、人的技能或现客观真理、事实、人的技能或现在的状态在的状态时的句子一般不

5、用时间状语。时的句子一般不用时间状语。一般现在时 UseEg: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.表表十分确定会发生十分确定会发生（如安排好的（如安排好的事情）或事情）或按照时间表进行的事情按照时间表进行的事情。用用一般现在表将来，如一般现在表将来，如begin、come、go、leave、start、arrive等等

6、词词。4.时间状语从句时间状语从句和和条件状语从句条件状语从句中，用中，用一般现在时一般现在时表表将来时将来时。一般现在时 Structure否定句否定句一般疑问句一般疑问句一般现在时的句式特殊疑问句特殊疑问句一般现在时 structure否定句否定句 主语主语 +do/does/be+do/does/be动词动词+notnot+其他其他一般疑问句一般疑问句 Do/Does/beDo/Does/be动词动词+主语主语+V.+V.+其他？其他？一般现在时的句式特殊疑问句特殊疑问句 特殊疑问词特殊疑问词 +V.+V.+主语主语 +其他？其他？特殊疑问词：what、when、why、who 一般现在

7、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 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

8、,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！(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

9、。例：I bought the book last week.我上周买的这本书。一、一般过去时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。动词过去式的构成规则动词

10、regular verbs不规则动词irregular verbs（2）动词的过去式变化规则1、一般在动词末尾加、一般在动词末尾加 ed （掌握）（掌握）look Walkpaintplay cleanVisitWantcoughwatch look ed Walked painted play ed cleaned Visited Wanted coughed watched 2、结尾是、结尾是 e 的动词只加的动词只加-d (了解了解)live hope uselived hoped used 3.重读闭音节词，重读闭音节词，先先双写双写这个辅音字母，再加这个辅音字母，再加ed stopP

11、atstoppedPatted(掌握掌握)4.以以“辅音字母辅音字母+y”结尾的词，结尾的词，先变先变“y”为为“i”再加再加ed study WorryEarlyHappystudyied WorryiedEarlyiedHappyied不规则动词过去式的构成1.过去式与原形一样过去式与原形一样letlet（让）（让）putput(放下）放下）cut cut（砍，剪）（砍，剪）readread（读）（读）2.把元音字母变成把元音字母变成“a”come came（掌握）（掌握）give gaveBecome becamedrink drank（了解）（了解）begin began剩余不规则动词

12、剩余不规则动词表剩余不规则动词表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 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）一般过去时的基本句型结构 Be动词类 否定句 实义动词类1（be动词类）在表示过去存在的状态状态 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 w

13、as not in the park the day before yesterday.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.04 例 题 讲 解FOUR一般现在时 Exercises1.We will go for a picnic if it _ tomorrow.A wasnt rain B doesnt rain C wont rain D wasnt raini

14、ng 2.As soon as the rain _ they will go out to pick apples.A stops B stopped C will stop D is stopping 3.I like soft and gentle music.It _ nice.A is sounded B sounded C sounds D sounding4._ do you hang out with your friends?Once a week.A How long B How many C How soon D How often 5.The earth is a pl

15、anet and it _ around the sun.A goes B go C will go D went 一般现在时 Exercises答案：B A C D A05 课 堂 练 习FIVE一般现在时 Exercises1.-Is there a flight to Moscow?-Yes.It _ at 11：30 am.A will leave B leaves C has left D left2.-Do you often go to the gym?-No,_.I dont like sports at all.A always B never C sometimes D u

16、sually 3.What do you do?I am an engineer.I _ in a company in Wuhan.I like my job very much.A will work B had worked C work D worked 4.What about the pen you bought yesterday?It _ well,I like it very much.A was written B is written C wrote D writes 一般现在时 Exercises 5.David often _to the movies on week

17、ends.He likes action movies.A went B will go C goes D was going 6.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.

18、A.makes B.made C.does D.did一般现在时 Exercises答案：B B C D C B B B06 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

19、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 Exercises5.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 一般过去时 THANK YOU