初中人教新目标 (Go for it) 版Section A集体备课课件ppt

这是一份初中人教新目标 (Go for it) 版Section A集体备课课件ppt，共36页。PPT课件主要包含了过去分词的构成，Have ，taken，helped，considered，had，took，think，came，trying等内容，欢迎下载使用。

T review the use f Present prgressive, used t, Passive vice, Present perfect and Mdal verbs.T master them by ding sme exercises.
不同种类的污染2. 河底3. 把垃圾扔到河里4. 在……中起作用5. 在中国南部6. 对……有害7. 在……顶部8. 海洋生态系统
different kinds f pllutin
the bttm f the river
thrw rubbish int the river
play a part in
in suthern China
be harmful t
at the tp f…
the cean’s ecsystem
1. 这不仅残酷还对环境有害。
This is nt nly cruel, but als harmful t the envirnment.
2. 鲨鱼处于海洋食物链的顶部。3. 许多人相信鱼翅对健康有好处。
Sharks are at the tp f the fd chain in the cean’s ecsystem.
A lt f peple believe that shark fins are gd fr health.
Pay attentin t the sentences.1. We’re trying t save the earth.2. The river used t be s clean.3. The air is badly plluted.4. N scientific studies have shwn that shark fins are gd fr health.5. We shuld help save the sharks.
现在进行时: Present prgressive
定义： 表示说话时(瞬间)正在进行的动作, 也表示目前或现阶段正在进行的动作， 或说话者的强烈情感。
结构: be (am/is/are) + v.-ing形式标志词 Lk, Listen, nw, right nw… e.g. Listen! The by is singing. It’s always raining here. (抱怨情绪)
v.-ing形式(现在分词)的构成：a. 一般情况下在动词词尾加-ing。b. 以不发音的e结尾的动词，去掉e加-ing。c. 以一个辅音字母结尾的重读闭音节，双写最后一个字母，再加-ing。
used t d & be used t ding
used t d sth. 过去常常做某事(而现在不做了)1) 否定句式：didn’t use t d sth. 2) 一般疑问句式：Did + 主语 + use t d sth.?3) 附加疑问句式： …, didn’t +主语?e.g. He used t eat shark fin sup. He didn’t use t eat shark fin sup. He used t eat shark fin sup, didn’t he?
be used t (ding) sth. 习惯于(做)某事e.g. I’m used t walking t schl nw. 我现在习惯步行去学校。 The city is ht and wet and I have been used t it. 这座城市又热又潮湿，而我已经习惯了这里。
被动语态：Passive vice
定义：表示主语是动作的承受者结构：be + 过去分词
不同时态的被动语态结构(以动词d为例):一般现在时: am/is/are+ dne一般过去时: was/were+dne一般将来时: will be/is(/am/are) ging t be+ dne含情态动词: can/may/must...+be+dne
现在完成时: Present perfect
结构: have/has + 过去分词标志词: already, yet, ever, never, just, befre, nce, twice, recently, s far, fr+时间, since+时间点/从句。
定义：表示动作已经完成, 但对现在造成影响; 或者表示从过去某一时间开始一直延续到现在并还可能持续下去的动作。
a. 一般情况下，在动词后加-ed。b. 以e结尾的动词后只加-d。c. 以辅音字母加y结尾的动词，将y改成i再加ed。d. 以重读闭音节结尾的动词，双写末尾的辅音字母再加-ed。e. 不规则动词的变化形式需要专门记忆。
have been t, have gne t & have been in
have been t 去过某地, 说话时已从该地回来。have gne t 去了某地, 说话时可能在途中或已到达目的地, 尚未返回。have been in 已在某地, 常与表示一段时间的状语连用。 e.g. Jim has gne t Lndn with his family. The Greens have been in China fr tw years. Have yu been t Beijing befre?
情态动词 Mdal verbs
情态动词本身有一定的词义, 表示说话人的情感、态度或 语气, 但不能单独作谓语, 只能与其他动词构成谓语。 常见的情态动词有: can/culd (能够), may/might (可能、可以), must (必须), need (需要), shall (将，多用第一人称), shuld (应该), will (将), wuld (愿意、将要), have t (不得不)等。
情态动词无人称和数的变化, 后接动词原形。 否定式是在情态动词后面加nt。个别情态动词有过去式形式, 可用来表达更加客气、委婉的语气。 e.g. Ken can climb up the trees like a kala. Tracy culd ride a bicycle when she was five years ld. Yu mustn’t play with fire. It is dangerus.
1. —Culd yu play the pian at the age f five?—N, I ______. I started at six. A. can’t B. shuldn’t C. needn’t D. culdn’t2. —Must I return this bk befre Friday, Sir?—N, yu ________, dear. Yu can keep it fr tw weeks. A. can’t B. shuldn’t C. mustn’t D. needn’t
3. —Hw lng can I keep these bks?—Accrding t the library rules, yu ________ return them within 7 days. A. must B. might C. culd4. —Yu ________ take phts here! Lk at the sign. It says “N phts”. —Srry, I wn’t. A. mustB. needC. mustn’t D. needn’t
1. I jined the bk club last mnth and I ______ five bks already. A. am reading B. have read C. will read D. read2. —Miss Zhang seems quite familiar with Yunnan Prvince. —Dn’t yu knw? She _______ a twn schl there as a vlunteer teacher fr ver 2 years. A. is in B. has gne t C. has been in D. has been t
3. Lk! Sme ld peple ________ in the park. A. singsB. singC. are singing4. —Dn’t make nise! The children ________nline. —Srry, I wn’t. A. studies B. are studying C. studied D. were studying5. —Peter, what are yu ding? —Oh, I ________ a reprt abut natinal heres. A. will write B. am writing C. wrte D. have written
1. Our schl library ________ with plants, lvely desks and chairs, s I feel relaxed while studying r reading there. A.decrates B. decrated C. is decrated D. was decrating2. — Why d sme whales have t _________? — Because humans catch whales fr meat, fat and il. Sme f them are _________. A．prtect; dangerus B．prtect; endangered C．be prtected; dangerus D．be prtected; endangered
3. A lt f teenagers think as they are lder and wiser, they ________ t make their wn decisins. A. shuld allw B. shuldn’t allw C. shuld be allwed D. shuldn’t be allwed4. The blender ________ fr making a banana milk shake just nw. A. will be used B. was used C. is used5. Many research labs ________ in the next 5 years t develp science and technlgy in China. A. are building B. will be builtC. were built
1. —Tm _______ every day. —Really? But why is he s weak nw? used t exercise B. is used t exercising C. used t stay up late2. I ________ sleep very well, but then I started ding yga and it really helps. didn’t use tB. used t C. was used t D. wasn’t used t
4a Fill in the blanks with the crrect frms f the verbs in brackets.
Je: _______ yu ever _______ (take) part in an envirnmental prject?Eric: Yes, I have. I ________ (help) with a Clean-Up Day last year. It was _________ (cnsider) the biggest clean-up prject this city ________ ever ________ (have).
Je: Hw many peple _______ (take) part?Eric: 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.Eric: Yes, we can’t affrd t _______ (wait) any lnger t take actin!
4b Fill in the blanks with the apprpriate mdal verbs frm the bx.
can, wuld, culd, have t, shuld, must, may/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.
must/have t
can/culd/shuld
can, wuld, culd, have t, shuld, must, may / might
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!
can/culd/wuld
4b Make a list f things that peple can d t help the envirnment and discuss yur list with yur partner.
use public transprtatin (n.交通运输)turn ff the lights when yu leave a rm take yur wn shpping bags when yu g shppingdn’t use dispsable (adj. 一次性的) items like dispsable cutlery (n. 餐具), cameras, etc.reduce the use f air cnditiners in summergrw mre plants…
I think that everyne shuld use public transprtatin.
I disagree. It’s difficult fr parents with yung children t use public transprtatin…
We can’t affrd t wait any lnger t take actin!我们承担不起继续等待而不采取行动！ affrd v. 承担得起; 买得起; 提供, 给予 常与can, be able t等连用, 多用于否定句或疑问句。　 affrd sth. 买得起 / 承受得起某物 affrd t d sth. 有能力做某事 / 负担得起做某事
e.g. Can yu affrd the mbile phne? We can’t affrd t pay such a price.
affrd & buy
【语境应用】用affrd或buy的适当形式填空。
1) They can’t ________ t send their children t cllege.2) Can yu ________ a new car?3) Helen ________ sme fruit n her way hme yesterday.
I. 根据句意，从方框中选择恰当的情态动词填空(有的答案不 唯一，可重复选择)。
can, culd, may, might, mustn’t, shuld, wuld, nt have t
1. My cusin is gd at swimming. She _____________ swim when she was 6 years ld.2. Yu _____________ park yur car here. Lk at the “N Parking” sign.3. If yu stay up t late, yu ____________ feel tired all day.
4. Wendy is happy that she _______________ get up very early tmrrw mrning.5. T practice speaking English, I think yu ______________ jin an English club.6. _______________ yu please drive mre quickly? My train will leave in an hur.
wn’t have t
shuld/culd/can
Wuld/Culd/Can
II. 根据语境，从方框中选择恰当的词语填空，注意形式变化。
visit, clean, nt finish, sing, smke, plant, take place, nt listen t
1. Listen! Smebdy _______________ in the next rm. What a sweet vice!2. Thse beautiful flwers _______________ last year.3. They _______________ the English teacher carefully. They’ re talking!4. —The meeting rm is very tidy.—Yes. It _______________ every day.
is singing
were planted
aren’t listening t
5. —Wuld yu like t visit that new museum with me next Saturday?—I’ d lve t, but I _______________ it already.6. He used t _______________ a lt, but nw t keep healthy he has given it up.7. Greg _______________ his math hmewrk yet. It’ s a little difficult fr him.8. In the past five years, great changes _______________ in my hmetwn.
have visited
hasn’t finished
have taken place