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1、初一英语时态总结同学们，英语和中文不同。在英语 中，不同时间发生的事情表达方式 都会不同。那么，初一我们共学习 了哪些时态呢？它们分别表示什么 意思，又如何区别使用呢？语语法注意谓语谓语 形式句型转换转换 是助 动词动词 或Be例句一般现在时现在进行时一般将来时一般过去时表示将要发 生的动作和 状态。（常 与将来的时 间状语运用 ）Is/are goingto+V原型will+V原型1.Be(was/were)2.行为动词变成它的 过去式形式（V-ed）Be动词Will-wontBe动词和V- ing缺一不可was/weredidThey are going to have a picnic
2、next week. Everyone will/wont have a haircut.Shakespeare was born in 1564 in England He died at the age of fifty -two.1.She is a student. 2.I ride a bike to school every day. 3. Tom goes sightseeing every year.1.Be 2.非三单主语 （行为动词） do 三单主语用 does在过去某 一时间或 某一阶段 的动作或 存在的状 态。They are making lanterns. Are
3、you getting ready for Spring Festival?Be(is/am/are)+V. ing1.Be(is/am/are） 2.行为动词，非三 单主语动时用原型 。三单主语时，用 动词三单形式表示现在或 现阶段正进 行的动作表示经常发 生或习惯性 动作一 般 现 在 时1. 意义：1）表示现在经常发生的或习惯性的动作。 She catches a No.6 bus at six every morning. (catch) 2）表示主语现有的特征。 He likes English very much.(like) 3）表示客观事实和普遍真理。(在宾语从句中) The
4、sun rises in the east. (rise) The teacher said there are 12 months in a year.(be) 4) 在时间、条件状语从句，从句用 一般现在时表将来,即主将从现.条件 句引导词if/ unless ;时间状语从句引词when, before, after, until, as soon as Ill help him if he has (have )any trouble. 2标志词: every morning/day/week/year, on Sundays, in the afternoon/evening 表频率的
5、副词 (频度副词用于be动词,助动词情态动词后,行为动词前) always, usually, often, sometimes, hardly ever, never, once/ twice/a weekHe doesnt often listen to concerts. (频度副词often 在助动词 does后, 行 为动词listen前)句型转换 1.He is from Britain. 否定句 He isnt from Britain.-Is he from Britain? -Yes, he is. /No, he isnt. (一般疑问句及作答)Where is he fr
6、om? (对Britain划线提问) 2. They go for a walk every Saturday.(主语they非三单动词go用原形)They dont go for a walk every Saturday. (否定句用 dont)- Do they go for a walk every Saturday? (将do放句首构成一般疑问 句)- Yes, they do. / No, they dont.How often do they go for a walk? (对every Saturday划线提问) 3.Betty climbs the mountain twic
7、e a year. (三单主语Betty, 动词用三 单形式climbs)Betty doesnt climb the moutain twice a year. (三单形式用助动词 does加not构成否定，行为动词climb变成原形)- Does Betty climb the mountain twice a year?- Yes, she does. /No, she doesnt. (一般疑问句也用does 行为动词 用原形)What does Betty do twice a year? (对climbs the mountain划线提 问)动词第三人称单数的变化规则及发音规律动词
8、原形变第三人称单数的规则与发音规律同名词单数变复数大致相同，请认真观察。 1、大多数动词在词尾加“S”在清辅音后发音为s，在浊辅音及元音后发音为 z。如： stopstops s ; makemakes s readreads z ; playplays z 2、以辅音字母加“y”结尾的，要先将“y”变为“i”，然后在加“es”读iz 如： flyflies z； carrycarries z studystudies z; worryworries 3、以“s, x, ch, sh”结尾的，在词尾加“es”，发音为iz 如： teachteaches iz; watchwatches iz
9、4、以“o”结尾的动词，加“es”，读z 如： gogoes z dodoes z 下面几个动词变为单数时，原词的元音部分的发音发生了较大的变化，请注意记忆。 如： 1、do du:does dz 2、say seisays sez以不发音字母“e”结尾的开音节词，如果尾音是s，z时，加“s”后字母“e”发音， 与所加“s” 一起读做iz。 如： closecloses iz 二、对比词形变化中原词词尾变化之异同： 变“y”为“”现象 双写最后辅音字母现象 例词：babybacarrycarries studystudying watch- go - fly- study - do- cry-
10、watchesgoesflies studiesdoescries1. Her parents (speak) both English and French. 2. Everyone (have) little homework to do every day. 3. The sun (not go) around the earth. 4. Lily (enjoy) the school trip a lot. 5. his sister (go) to the cinema three times a month? 6. Why Tom (ride, often ) a bike to
11、school? 7. They (not plan) (visit) the Great Wall. 8. Betty with her classmates (take) a bus to the park on Sundays.speak hasdoesnt go enjoys Does godoesoften ridedont planto visittakes9. 英语老师每天都花半小时时间检查我们的作业。10. 他每天什么时候写作业？Our English teacher spends half an hour (in) checking our homework. It takes
12、 our English teacher half an hour to check our homework.When does he do his homework every day?1.This is my pencil ? (变一疑问句) _ _ your pencil ? 2. These red socks are Kates . (变一般疑问句) _ _ socks Kates ? 3. I want to buy a big green bag . (变特殊疑问句) _ _ you want to buy ? 4. Mary does not have any books .
13、 (变肯定句) Mary _ _books . 5. The clothing shop is on sale . (变为否定句) _. 6. She likes the black bag very much . (变为否定 句） _. 7. I buy the pan for only 50 Yuan. (画线提问)_.8. He buys some presents for his parents . (一般疑问句并作答)9. Lily often checks the vocabulary at home.(变成否定句)Is thisAretheseDoyouhas someThe c
14、lothing shop isnt on sale.She doesnt like the black bag very much.How much do you buy the pan?Does he buy any presents for his parents? Lily doesnt often check the vocabulary at home.疑问和否定句中some要改成 any(频度副词often 在助动词 does后, 行为动词listen前)现在进行时 一、 现在进行时主要表示现在或现在这一阶段正在进行的动作。 如： They are having a football game. 他们正在举行一场足球赛。 Tom is reading an English story book汤姆正在读一本英语书。 What are you doing
