八年级下册Unit 8 Have you read Treasure Island yet? Section A图文ppt课件

这是一份八年级下册Unit 8 Have you read Treasure Island yet? Section A图文ppt课件，共39页。PPT课件主要包含了学习目标，Have，read，yet，have，havent，Has，has，thinks，fantastic等内容，欢迎下载使用。
Presentatin
掌握下列词汇：fictin, science fictin, technlgy, French, think abut, can't wait t d sth., mre than.
设置多项任务锻炼学生团结协作能力，培养学生总结归纳、深度思考的能力。
通过观察比较,归纳already 和 yet 的用法区别以及一般过去时和现在完成时的区别。
运用现在完成时谈论自己看过的最喜欢的书籍、电影或者歌曲，培养学生鉴赏美的能力，陶冶思想情操。
A: What’s the name f the bk?
B: It is Little Wmen.
A: Have yu read Little Wmen yet ?
B: Yes, I have.\N, I haven’t.
A: What d yu think f it?
B: I think it’s interesting\funny\fantastic\bring\ …
A: What’s it abut?
B: It’s abut fur sisters grwing up.
Treasure Island.
Treasure Island yet?
a by wh ges ut t sea and finds an island full f treasures.
Oliver Twist.
a by wh lives in theUnited Kingdm.
Rbinsn Cruse.
Rbinsn Cruse
Rbinsn’s life n a remte island.
Grammar
Grammar Fcus
Read the sentences and translate them.
Fill in the blanks accrding t grammar fcus.
1.你已经读过《小妇人》了吗? 是的，我读过。不，我没读过。_____ yu ____ Little Wmen ____? Yes, I _____./ N, I ______.
2.蒂娜已经读过《金银岛》了吗? 是的，她读过。她认为它是极好的。_____ Tina _____ Treasure Island ___? Yes, she ____. She _______ it's _________.
3.你已经决定选择写哪本书了吗?是的，我已经读完它了，它真好。_____ yu _______ which bk t ______ _______ _____?Yes, I _____. I've already ______ ________ it. It was really gd.
write abut yet
finished reading
1)基本结构：肯定句：主语+_____/_____+___________+其他 否定句：主语+_____/_____+_______+_________+其他 疑问句：_____/_____+主语+__________+其他 ---Yes, 主语+_____/___. ;N,主语+_______/______.2)常与标志词_____________________________一起出现
have has 过去分词
have has nt 过去分词
Have Has 过去分词
haven’t hasn’t
already, yet
一、现在完成时的基本结构现在完成时由“助动词 have/has + 过去分词”构成，其基本句式结构为：① 肯定句：主语 + have/has + 过去分词 + 其他.I have seen this film.② 否定句：主语 + have/has nt + 过去分词 + 其他.I have nt seen this film.③ 一般疑问句：Have/Has + 主语 + 过去分词 + 其他?肯定回答：Yes, 主语 + have/has. 否定回答：N, 主语 + haven't/hasn't.—Have yu seen the film? —Yes, I have. / N, I haven't.
have nt = haven't; has nt = hasn't
have/has 常可缩略为 -'ve/-'s
1.She has already written the music. (改为一般疑问句) ________ she written the music _______?2.They studied English 2 years ag. (用 since tw years ag 改写)They ______ ________ English since tw years Tm helped his parents yet ? (作出肯定回答) _______, _____ three students have been tgether fr 3 hurs. (对画线部分提问) __________ __________ have the three students been tgether?5.She has already gne t England. (改为否定句)She _____________ gne t England hasn't cme t schl because he's ill. (对画线部分提问)_____________ _____________ he cme t schl?
have studied
Yes he has
Hw lng
Why hasn't
现在完成时用法1：表示过去发生或已经完成的动作对现在造成的影响或结果。
I had breakfast.
I'm nt hungry nw.
I have already had breakfast.
（早餐过去吃的，现在不饿。）
Enrich yur life tday,yesterday is w is mystery
二、现在完成时基本用法
现在完成时的用法（1）： 表示过去发生或已经完成的动作（短暂性动词）对现在造成的影响或结果，强调的是现在的影响或者结果。
I have pened the dr. 我打开了门。
现在完成时包含两层意思，一是动作是过去某个时间发生的；二是现在含存在过去动作的影响或结果。现在完成时即联系现在又说明过去。
这句话包含两层意思，一是门是过去某个时候打开的，二是门现在还是开着的。开门动作的影响和结果还存在。
现在完成时的用法 2：表示动作从过去某一时间开始，并一直持续到现在的动作或者状态。而且可能还要继续下去。
I mved here in 1990.
I still live here.
I have lived here fr 30 years. (30年来一直生活在这里）
现在完成时的用法（2）：现在完成时还可以表示过去某一时间开始并一直持续到现在的动作或状态，常与“fr + 时间段”或“since + 时间点 / 从句”连用，这时要用延续性动词。They have wrked in this cmpany fr 30 years.He has been in the army since 2016.（错：He has jined the army since 2016.）【特别提醒】如果要对 fr 或 since 短语提问，疑问词用 hw lng。— Hw lng have yu lived in this area?— Fr at least 10 years.
1. I jined the bk club last mnth and I ____ five bks already. A. am reading B. have read C. will read D. read
2. —Dad, I can't find my schl ID card. Did yu see it? —N, I didn't. I think yu ______ it! A. lse B. will lse C. have lst D. are lsing
3. —Wuld yu like smething t drink? —N, thanks. I ______ sme tea already. A. have drunk B. was drinking C. will drink D. drink
What did yu find ut?
already和yet都可以作为现在完成时的标志词,但它们的用法不同。already一般用于_____句中.意为“______”,通常放在________和_________之间。
yet一般用于______句中,意为“______”;也可以用于______句中,意为“_______”
现在完成时的常用时间状语(标志词)。
ever（曾经），never（从未），也可以用于现在完成时，谈论过去的经历。
I have ever watched this mvie. 我曾经看过这部电影。Have yu ever heard f this stry? 你曾经听说过这个故事吗？
I have never watched this mvie. 我从未看过这部电影。
Have yu ever learned t write?Yes, I have ever dne that. N, I have never dne that .
just（刚刚），befre（以前；之前），s far（到目前为止）也可以用于现在完成时，谈论刚刚发生的动作或者过去的经历。
Have yu helped thers befre？你以前帮助过别人吗？
I have just helped a little kid. 我刚刚帮助了一个小孩。
I have never helped thers befre. 我之前从未帮助过别人。
befre意思:_________, 用于_________， 位于_______
just意思:_________, 用于________。
My mm has cked delicius fd, s I can have a big dinner nw.
I have never made such a mistake __________.
注意区别 just 和 just nw ，两者都表示“刚刚”时，just用于完成时 .just nw 用于一般过去时
I reading the bk just nw.(finish)
用just, already, yet, ever, never填空
1.Have yu _____been t Japan? 2.He has _____ finished his hmewrk. 3.We have _______cleaned ur rm. 4.I haven’t had breakfast ____. 5.She has _______bught the dictinary.
(______) read--_______--________.
(______) decide--_________--________.
(______) finish--_________--________.
动词过去分词的规则变化
动词过去分词的规则变化和过去式的规则变化一样。有以下四种情况：①一般在词尾直接加ed  如：wrk-wrked-wrked,  pass-passed-passed ②以不发音的e结尾直接加d  如：like-liked-liked， live-lived-lived③以辅音字母加y结尾，改y为i，再加ed。  如：study-studied-studied，cry-cried-cried ④重读闭音节（辅+元+辅）结尾的词，双写最后一个辅音字母再加ed. 如： stp-stpped-stpped，drp-drpped-drpped
动词过去分词的不规则变化
动词过去分词的不规则变化有以下四种情况：①以不变应万变。 如：let → let → let; put → put → put; read → read → read②若中间有双写e，则去掉一个e，单词末尾再加t。 如：feel → felt → felt; keep → kept → kept; sleep → slept → slept③结尾的字母d变t。  如：lend → lent → lent; build → built → built; send → sent → sent ④变为以-ught或-aught结尾。 如： buy → bught → bught; bring → brught → brught; catch → caught → caught; teach → taught → taught
不规则变化：见P136不规则动词表
let →let → let put → put → putread → read → read
run → ran → runcme → came → Cmebecme→ became→ becme
bear →bre → brnbreaks→ brke→ brkengrw→ grew → grwn
feel- felt → feltkeep- kept → keptsleep→ slept→ slept
beat →beat→ beaten
1. AAA格式(动词原形、过去式、过去分词同形)
2. ABB格式(过去式与过去分词同形)
3. ABA格式(动词原形与过去分词同形)
4. ABC格式(动词原形、过去式、过去分词均不同形)
5. AAB格式(动词原形与过去式同形)
现在完成时 VS. 一般过去时现在完成时表示过去发生的某一动作对现在造成的影响或结果，强调的是现在的情况，因此不能和表示过去的时间状语连用。I have already dne my hmewrk.（不能用last night等）I’ve been t Paris befre.（不能用last year等）2. 一般过去时只表示过去的动作和状态，与现在无关。可以和表示过去的时间状语连用。I did my hmewrk last night.When did yu g t Paris? （when 一定不要和现在完成时连用）
表示过去发生的动作对现在造成的影响，侧重于现在的情况。
表示过去某个时候发生的动作或存在的状态，与现在无关。
常和already, yet, just, ever, never, befre, since, fr等连用。
常和 yesterday, last week, just nw, in 2012, tw days ag等具体的表示过去的时间状语连用。
与一段时间连用时，谓语动词要用延续性动词而不用非延续性动词。
谓语动词没有延续性或非延续性动词的限制。
1. A: Wuld yu like smething t drink? B: N, thanks. ______________________. (just/drink sme tea)2. A: I heard yu lst yur key. ____________________? (find) B: N, nt yet.3. A: D yu knw when Tm is leaving? B: ____________________. (already/leave) A: When ______________? (leave) B: This mrning.4. A: Is yur sister ging t the mvies with us tnight? B: N. __________________________. (already/see the film)5. A: What d yur parents think abut ur plan? B: I _________________________ . (nt/tell them/yet)
I’ve just drunk sme tea
Have yu fund it yet
He has already left
did he leave
She has already seen the film
haven’t tld them yet
Use the wrds in brackets t cmplete the cnversatins.
drink-drank-drunk
find-fund-fund
leave-left-left
see-saw-seen
tell-tld-tld
Sally_______ (lve) reading. In the mrning, she reads the newspaper and in the evening she reads bks. She _____ already ______ (read) mre than 100 different bks! Her favrite kind f bks is science fictin. She is interested in science and technlgy and lves t imagine what the wrld _______ (be) like in 50 years. She _________(finish) reading a bk abut rbts last week and _________(write) a bk reprt abut it next week fr her French class. Every time she is in the library, Sally lks at the many bks she_____________ (nt read) yet and she can’t wait t read them!
Fill in the blanks with the crrect frms f the wrds in brackets.
be interested in+n./代/Ving 对...感兴趣
提示：确认时间标志，用对时态结构！
hasn’t read
can’t help ding sth 忍不住做某事
can’t wait t d sth 迫不及待地做某事
Cmplete the chart with infrmatin abut yu and a friend.
A: What bks have yu already read?B: I’ve already read Tm Sawyer and Harry Ptter.A: What d yu think f them?B: Well, I think Harry Ptter was exciting, but Tm Sawyer was a bit bring.
Reprt like this:I have already read…,it’s very interesting; My friend has already read…,it’s very bring.
Exercises
1.---Wh will g t the airprt t meet Mary? ---I will. I ____ her several times. I can find her easily. A. met B. have met C. had met D. will meet2.---D yu have my phne number? ---Yes. But I can’t find it nw. I’m afraid I _______it. A. lst B. have lst C. lst D. lse3. ---Have yu had a hliday recently?--- ___________ . A. Yes, I d. B. Yes, I have. C. N, I hasn’t D. Yes, I did.4. I have______seen the mvie , s I wn’ t g t the cinema this weekend. A.already B. nt C. yet ’s in the bx? I can’t wait ____ it. A. t pening   B. pening   C. pen      D. t pen
一、用括号内所给词的适当形式填空。（10分）[来源:学。科。网Z。X。X。K]1.She hasn’t f
1.She hasn’t finished _______________(read) Oliver ____________ (see) the mvie Sister yet?3.They have already ____________(decide) t g t Beijing n vacatin.4. I have n mney, because I _____________(spend) all my mney n bks.5. We are hungry because we _______________ (nt eat) fd fr nine hurs.6. I _________________(never be) t Shanghai befre.7. ---I’ve fund my lst keys. ---Great! Where_____ yu _______ them. (find)8. I _______________ (drive) nw and I ___________ (get) there in 10 minutes.9. Miss Li _______already_______ (buy) sme meat. But she can’t _________ (ck) this evening. 10. I ________ (wash) the dishes just nw. But I _______________ (nt take) ut the rubbish yet.
haven’t eaten
haven never been
did find
has bught
haven’t taken
二、用所给单词的适当形式填空
现在完成时 the present perfect tense
1. Review the grammar f unit 8.2. D the exercises in students’ bk.3. Preview the new wrds and phrases in Sectin B(1a-1d)