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初中英语人教新目标 (Go for it) 版九年级全册Section A课前预习ppt课件
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这是一份初中英语人教新目标 (Go for it) 版九年级全册Section A课前预习ppt课件,共23页。PPT课件主要包含了Grammar,need,should,could,may,Summary,Exercises,Homework等内容,欢迎下载使用。
Learning gals
1.Master the fllwing wrds, phrases and sentences:Wrds and phrases: scientific, affrd, reusable, transprtatin, take part in, turn ff, pay fr, take actin Sentences: ① we can't affrt t wait any lnger t take actin!
② Many frget that saving the earth begins with small things. 2. Talk abut Grammar and envirnmental prtectin.
Grammar Fcus
Read and Translate
表示现在或现阶段正在进行的动作。常用的时间状语有:nw,at the mment,right nw等。在句首出现lk或listen,也可以判断出后面的句子用现在进行时。e.g. She is watching TV nw. 她现在正在看电视。 Lk!The panda is climbing a tree. 看!那只熊猫正在爬树。
cme, g, arrive, leave, start, begin, return等动词的现在进行时形式可以表示将要发生的动作。 e.g. I’m leaving tmrrw. 明天我就要离开了。
Present prgressive
表示主语是动作的承受者,即行为动作的对象的一种语态。构成:be+过去分词。e.g. The bk was written by Lu Xun. 这本书是由鲁迅写的。主动语态中,在make,let,hear,see,watch,ntice等词后跟省略t的动词不定式,但在被动语态中,t不可省略。e.g. We saw a stranger enter the hall. →A stranger was seen by us t enter the hall. 我们看到一个陌生人进入了大厅。
Passive vice
①概念:过去发生或已经完成的动作对现在造成的影响或结果,或从过去已经开始,持续到现在的动作或状态。②时间状语:already,yet,just,ever,never,befre,in the past/last few years等。③构成:助动词have/has+过去分词。e.g. Have yu ever been t Japan?你曾经去过日本吗? I have just finished my hmewrk.我刚刚完成我的家庭作业。难点:fr+时间段,since+时间点,表示一段时间,应将短暂性动词转变为延续性动词,表示动作的持续。
Present perferct
意为“应该”,否定式是 shuldn't,意为“不应该”。
culd既是can的过去式,本身也是情态动词,语气较为委婉。
表“许可”,语气较委婉。可以用在肯定句中表推测,肯定语气小于must。
可以作情态动词,还可以作实义动词。need t d sth.意为“需要做某事”。
Je: _____ yu ever _____ (take) part in an envirnmental prject?Ken: Yes, I have. I _____ (help) with a Clean-Up Day last year. It was_________ (cnsider)the biggest clean-up prject this city _______ ever ________(have).
Fill in the blanks with the crrect frms f the verbs in brackets.
Have taken
has had
Je: Hw many peple ______ (take) part?Ken: I _____ (think) mre than 1,000 peple _____(cme) t help ut.Je: That’s fantastic! I guess everyne in this city is _____ (try) t imprve the envirnment.Ken: Yes, we can't affrt t _____ (wait) any lnger t take actin!
Fill in the blanks with the apprpriate mdal verbs frm the bx.
canwuldculdhave tshuldmustmay/might
Peple________ think that big things________ be dne t save the earth. Many frget that saving the earth begins with small things. Fr example,yu________ save electricity by turning ff the lights when yu leave a rm. Yu________ als use reusable bags instead f plastic bags. I think it’s a great idea that yu nw________ pay fr plastic bags in sme stres.
And instead f driving t schl r wrk,yu ________ ride yur bike r walk. If it’s far,yu ________ take the bus. All these small things ________ add up and becme big things that ________ imprve the envirnment. Let’s take actin nw!
Make a list f thingsthat peple can d t help the envirnment and discuss yur list with yur partner.
现在进行时(1)含义:表示正在发生或进行的动作。(2)基本结构:主语 + be + 现在分词(be 的形式随主语的变化而变化)(3)基本用法:①表示现在正在进行的动作。特征:常常与nw或具体的时间连用,有时句中会有感官动词来提示,或通过上下文来暗示。②表示现阶段一直进行的动作。这类动词常常是延续性动词。常于at present, this week, these days等连用。③表示主语的特征、性格、能力等
本单元复习现在进行时、used t句型、被动语态、现在完成时和情态动词。
现在完成时(1)含义:表示过去发生的动作对现在还有影响。(2)基本结构:主语 + have / has + 过去分词(3)基本用法:①表示过去发生的动作,但强调对现在产生影响。特征:不能与表示具体的时间状语连用。②表示过去发生的动作或存在的状态一直延续到现在,还可能继续下去。常常与since, fr, in the past + 时间名词,in the last +时间名词等时间状语连用,而且谓语动词要求是延续性动词。③表示一种“经历或体验”,即可以表示经历过也可以是从来都没有经历过。
被动语态初中阶段我们学习了七种被动结构,归纳如下:(1)一般现在时是被动语态:am / is / are + 过去分词(2)现在完成时的被动式: have / has + been + 过去分词(3)现在进行时的被动式:am/ is/ are + being + 过去分词(4)一般过去时的被动式:was / were + 过去分词(5)过去进行时的被动式:was / were + being + 过去分词(6)过去完成时的被动式:had + been + 过去分词(7)一般将来时的被动式:will / be ging t be+ 过去分词(8)含有情态动词的被动式:情态动词+be +动词的过去分词。
情态动词情态动词表示说话人对某一动作或状态的态度,如认为“可能”、“应当”、“必要”等。情态动词本身有一定的意义,但不能单独作谓语,也没有人称和数的变化。后面一般跟动词原形。used t 结构used t意为“过去常常做某事”,指的是过去的习惯性动作,目的在于与现在形成对照。used t是个情态动词,其中的t是不定式符号,后面跟动词原形。在美式英语中。它的疑问式是:Did +主语+use t d sth.?否定式是:主语+didn't use..。在英式英语中,它的疑问式应当是:Used +主语+t sth.?否定式应当是used nt t或use(d)n't t。He used t stay up late. 他过去常熬到很晚。
used t 结构used t意为“过去常常做某事”,指的是过去的习惯性动作,目的在于与现在形成对照。used t是个情态动词,其中的t是不定式符号,后面跟动词原形。在美式英语中:它的疑问式是:Did +主语+use t d sth.否定式是:主语+didn't use.在英式英语中: 它的疑问式应当是:Used +主语+t sth.否定式应当是used nt t.
1.-- ____ yu pass me a pen? I'd like t write dwn the phne number. -- Sure. Here it is. A. Can B. Need C. Might D. Must2. -- May I g t the cinema, Mum? -- Certainly, but yu ___ be back by 11 'clck. A. can B. may C. must D. need3. yu ___ wrry abut me. It's nthing serius. A. can't B. mustn't C. needn't D. wn't
4. -- Excuse me. Is this the right way t the Summer Palace? -- Srry, I'm nt sure. but it ____ be. A. might B. mustn't C. can't D. must5. The man in the ffice ____ be Mr. Black, because he went hme just nw. A. mustn't B. may nt C. can't D. needn't
6. He prmised t pick me up at the schl gate. Hwever, he _____ yet. A. didn’t arrive B. desn’t arrive C. isn’t arriving D. hasn’t arrived7. Ba Jin, ne f the greatest writers in China, ___ as “Peple’s Writer”. A. is regarded B. has regarded C. is regarding D. regards
二、用所给词的适当形式填空。1. The ld man used _____ (be) a teacher. 2. We shuld _____ (clean) the rm every day. 3. Lk! Tm _________ (sleep) in his rm. 4. Lts f trees __________ (plant) n the hill every year. 5. He _________ (live) here fr 20 years.
is sleeping
are planted
1. Write 5 measures t prtect the envirnment.2. Review Unit 13 Sectin A (1a –4c).
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