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1、 时态时态一、一、定义：定义：在英语中，在英语中，不同时间发生的不同时间发生的动作要用动作要用不同的动词形式不同的动词形式表表 示，这每一种不同的形式就叫做示，这每一种不同的形式就叫做时态时态。二、时态的种类：英语中共有时态的种类：英语中共有16种时态种时态futurepastnow一般将来时一般将来时一般过去时一般过去时现现在在完完成成时时一一般般现现在在时时现现在在进进行行时时现现在在完完成成进进行行时时before过去完成时过去完成时过去进行时过去进行时一般现在时一般现在时一般过去时一般过去时一般将来时一般将来时 常常用用八八种种时时态态现在进行时现在进行时现在完成时现在完成时过去进行时
2、过去进行时现在完成进行时现在完成进行时过去完成时过去完成时本节课内容本节课内容概念概念： 常用时间状语常用时间状语 ：构成形式构成形式 ： 1.一般现在时态一般现在时态( The Simple Present Tense)表示经常发生的或习惯性的动表示经常发生的或习惯性的动作或状态。作或状态。 do / does(三单三单)every day, always, usually, often, sometimes, on Sundays, three times a day , etcGrammar(语法语法)一般现在时一般现在时 1、主系表结构、主系表结构 2、行为动词的一般现在时、行为动词的
3、一般现在时将下列句子变为否定句和一般疑问句将下列句子变为否定句和一般疑问句1.I am student.2.She is my sister.3.They are my friends.讨论：以上句子属于什么结构？讨论：以上句子属于什么结构？含有系动词的一般现在时的句子肯定句、含有系动词的一般现在时的句子肯定句、否定句、一般疑问句的结构：否定句、一般疑问句的结构：1.bebe 动词的一般现在时的句式：动词的一般现在时的句式： 肯定句：肯定句： 主语主语+bebe+表语表语(n., adj(n., adj.等等) ) 否定句：否定句： 主语主语+bebe+ notnot+表语表语 一般疑问句：一
4、般疑问句：BeBe+主语主语+表语表语?. . 特殊疑问句：疑问词特殊疑问句：疑问词+bebe+主语主语? 将下列句子变为否定句和一般疑问句并回答将下列句子变为否定句和一般疑问句并回答1.We have a TV.2.They watch TV every day.3. I play sports.讨论：怎样将该类句子变为否定句和一般疑问句？讨论：怎样将该类句子变为否定句和一般疑问句？否：否：We dont have a TV Do you have a TV? Yes,we do . No we dont.They dont watch Tv every day. Do they watch
5、 TV every day?Yes,they do. No,they dont.I dont play sports.Do you play sports?Yes I do. No, I dont.肯定句：肯定句： 主语主语+ 动词动词原形原形+.否定句：否定句： 主语主语+ dont+动词动词原形原形+.疑问句：疑问句： Do +主语主语+动词动词原形原形+.?想一想：想一想：主语有什么特点？主语有什么特点？ 主语是主语是非非第三人称单数第三人称单数 (I/you/we/they/my sisters/Tom and Jim.)将下列句子变为否定句和一般疑问句。将下列句子变为否定句和一般疑问
6、句。 1.She likes English.2.Jim has an orange.3.He watches TV every day. 讨论：怎样将该类句子变为否定句和一般疑问句？讨论：怎样将该类句子变为否定句和一般疑问句？ She doesnt like English. Does she like English? Yes, she does. No, she doesnt.Jim doesnt have an orange. Yes, he does.Does Jim have an orange? No,he doesnt.He doesnt watch TV every day.
7、 Yes, he does.Does he watch TV every day? No，he doesnt.肯定句：主语肯定句：主语（三单）（三单）+动词动词（三单三单）+.否定句：主语否定句：主语（三单）（三单） +doesnt+动词动词原形原形+.疑问句：疑问句： Does+主语主语（三单）（三单） +动词动词原形原形+.? 规则规则动词原形动词原形第三人称单数第三人称单数一般在词尾加一般在词尾加_ play work leave 以字母以字母s,x ,ch ,sh或部分以或部分以o结尾的词加结尾的词加_ pass teach do 以辅音字母以辅音字母y加加结尾的词，变结尾的词，变_为
8、为_，再加，再加_ study fly cry ses y i esplays works leavesstudies flies criespassesteachesdoes1.I dont know if she _ come .But she says she _ to see us if she _ free. A.Will come, will come, will be B.comes, comes , will be C.comes, will come , is D.will come , will come , is 注意一注意一在时间状语从句和条件状语从句中在时间状语从句和
9、条件状语从句中,用一用一般现在时表示将来般现在时表示将来(主将从现）主将从现）2.He said that the earth_ around the sun. A. go B. goes C. went D. will goB注意二：宾语从句如果说的是客观真理，即使主句注意二：宾语从句如果说的是客观真理，即使主句是过去时，从句也要用一般现在时。是过去时，从句也要用一般现在时。一般现在时的注意点一般现在时的注意点:Lets correct（改错）（改错）1.I goes to school at six every day.2.He dont like playing football.3.
10、They likes playing games.4. Bill watchs TV in the evening.5. Does he usually has a party?6. What do they on Sunday?7. Tony goes always to school at eight oclock.8. What they eat in the party?9. Lily haves lunch at school.10. What do his parents usually gives him ? Lets correct（改错）（改错）1.I goes to sch
11、ool at six every day.2.He dont like playing football.3. They likes playing games.4. Bill watchs TV in the evening.5. Does he usually has a party?6. What do they on Sunday?7. Tony goes always to school at eight oclock.8. What they eat in the party?9. Lily haves lunch at school.10. What do his parents
12、 usually gives him ? gogoes doesntlikewatcheshavedoalways goesdohasgive单项选择单项选择1.Well go for a picnic if it _tomorrow.A.doesnt rain B. rainedC. wont rain D. rains2.Our teacher told us the sun _ in the east.A.rise B. rose C. rising D. rises3. Tim will call me as soon as he_ my package.A. receive B. w
13、ill receive C. received D. receives中考链接中考链接知识结构知识结构知识结构知识结构构成构成用法用法常用时间常用时间动词的过去式动词的过去式1、表示过去某个时、表示过去某个时 间发生的动作或间发生的动作或存在的状态。存在的状态。2、表示过去经常或、表示过去经常或 反复发生的动作。反复发生的动作。yesterdaylast nightin 1990two days ago规则动词规则动词不规则动词不规则动词构成构成读音读音动词动词-ed形式的构成：形式的构成：在动词后加在动词后加-ed以字母以字母e 结尾的动结尾的动词，只词，只+_“ 辅音字母辅音字母+y ”
14、，变变_ 为为_, 再再+_重读闭音节以一个重读闭音节以一个辅音字母结尾的，辅音字母结尾的，_wantanswermovediecarrycrystopplanwantedmoveddiedcarriedcriedstoppedplannedanswereddy i ed双写末尾辅音字母双写末尾辅音字母+ed规则动词词规则动词词-ed的读音的读音说明：1、清念 /t/ ，即 ed 在清辅音后面念 /t/ ,例：finished helped passed cooked2、元浊 /d/ ,即 ed 在元音，浊辅音后面念 /d/ , 例：borrowed enjoyed called moved
15、3、/t/ /d/ 之后念 /id/ , 即 ed 在 /t/ /d/ 音后面念 /id/ 例：wanted shouted needed counted 1 am/is- 6 are-2 have/has- 7 do- 3 go- 8see-4 take- 9 buy-5 watch- 10 dance-wasdidwentsawhadwatchedtookweredancedbought请快速说出下列各词的过去式请快速说出下列各词的过去式 1 put- 6 sit-2 build- 7speak-3 write- 8 feel-4 find- 9 bring-5 study- 10 sto
16、p- satbuiltfeltfoundwrotespokestoppedstudiedputbrought请快速说出下列各词的过去式请快速说出下列各词的过去式 He was late for class last week .否定句:一般疑问句：回答： He was not late for class last week Was he late for class last week ?Yes, he_. / No, he_Yes, hewas . / No, he wasnta ). be动词过去式的句式动词过去式的句式。否定句否定句:是在was / were后面加 not， was n
17、ot (wasnt)/ were not (werent)。一般疑问句一般疑问句: 是把was / were提前并放到句首，要求首字母要大写。 b ).实义动词过去式的句式实义动词过去式的句式 否定句否定句：主语+did not( didnt )+动词原形动词原形+其它。如：They didnt have a good time yesterday.一般疑问句一般疑问句：Did+主语+动词原形动词原形+其它？肯定回答：Yes，主语+did. 否定回答：No，主语+didnt. She finished homework on time last Sunday.否定句：否定句：一般疑问句一般疑问
18、句肯定回答：肯定回答：否定回答：否定回答：She didnt finish homework on time last Sunday.Did she finish homework on time last Sunday?Yes, she did .No, she didnt .改写句子：改写句子：1、Lucy did her homework at home.（改否定句）（改否定句） Lucy _ _ her homework at home.2、He found some meat in the fridge.（变一般疑问句（变一般疑问句) _ he _ _ meat in the fri
19、dge?3、She stayed there for a week.（对划线部分提问）（对划线部分提问） _ _ _ she _ there?4、There was some orange in the cup.（变一般疑问句（变一般疑问句) _ there _ orange in the cup? PRACTISE1.It nearly two months I bought this bicycle. A. is , that B. was, that C. is, since D. was, since注意一注意一It 在此处指时间在此处指时间,谓语动词用现在时谓语动词用现在时可视为句型
20、可视为句型”It is +一段时间一段时间 since+过去式的从句过去式的从句 ”一般过去时的注意点一般过去时的注意点:2.Mariato _ to Shanghai three days ago . A. got B. has got C. reached D. has reached 3.Our monitor _ to Shanghai three days before . A. got B. has got C. reached D. has reached4.He _ to Shanghai before. A. has been B. had been C. was D. is . 注意二注意二ago用于一般过去时用于一般过去时before 用于完成时用于完成时,和具体的过去时间和具体的过去时间连用连用,用过去完成时用过去完成时.指以前指以前,但没有具体但没有具体的时间用现在完成时的时间用现在完成时.
