DiscoveringUsefulStructures—?jiǎng)釉~-ing形式作定語和表語Book3Unit1一、復(fù)習(xí)鞏固，知識(shí)銜接

動(dòng)詞-ing形式的變化規(guī)則是什么？1.一般情況下直接加-ing：

think---thinking

sleep-sleepingwork-working2.以不發(fā)音的字母e結(jié)尾的單詞，去掉字母e，再加-ing：make---makingcome---cominghate-hating3.特殊情況以-ie結(jié)尾的動(dòng)詞，把-ie變成y再加-ing，

lie-----lying，tie-----tying，die-----dying4.以重讀閉音節(jié)結(jié)尾，呈現(xiàn)“輔，元，輔”結(jié)構(gòu)的動(dòng)詞，

先雙寫末尾的輔音字母，再加-ing：

get---gettingstop---stoppingforget-forgetting5.以y結(jié)尾的動(dòng)詞直接加-ing：

carry--carrying

enjoy--enjoyingstudy-studying二、自主學(xué)習(xí)，導(dǎo)入新課閱讀下列句子,注意句中的畫線部分1.Thereisaswimmingpoolinourschool.2.Wemetagroupofpupilsreturningfromschool.3.Theselanternsareamazing.4.Myjobislookingafterthechildren.以上句中均含有一個(gè)動(dòng)詞-ing形式的詞或動(dòng)詞-ing短語,它們?cè)诰渲谐洚?dāng)不同的成分。在句(1)和句(2)中充當(dāng)

___成分;

在句(3)和句(4)中充當(dāng)______成分[我的發(fā)現(xiàn)]表語定語三、合作探究,獲取新知（一）動(dòng)詞-ing形式作定語1.單個(gè)的動(dòng)詞-ing形式作前置定語，一般具有兩種含義：

①說明被修飾名詞的功能或用途

areadingroom閱覽室awalkingstick

手杖

aswimmingpool

游泳池

a

diningcar

餐車

②表示主動(dòng)或動(dòng)作正在進(jìn)行；developingcountries發(fā)展中國(guó)家apuzzlingproblem困擾人的問題abarkingdog狂吠的狗asleepingbaby熟睡的嬰兒thesettingsun落日2.動(dòng)詞-ing短語作后置定語,相當(dāng)于一個(gè)定語從句。Theylivedinahousefacingsouth.

=whichfaces

south他們住在一所朝南的房子里。Doyouknowtheboyplayingbasketball？=whoisplayingbasketball你認(rèn)識(shí)在打籃球的那個(gè)小男孩嗎?動(dòng)詞-ing形式、過去分詞和不定式作定語的區(qū)別:動(dòng)詞-ing形式表示正在進(jìn)行或習(xí)慣性的動(dòng)作;

過去分詞表示被動(dòng)或完成意義;1Theman_________(stand)overthereismyteacher.2Thegroundiscoveredwith_______(fall)leaves.3What'thelanguage__________(speak)inthatarea?4The___________(run)waterisveryclear.5The_________(laugh)childisveryhappy.standingfallenspokenrunninglaughing小試牛刀（二）動(dòng)詞-ing形式作表語1.動(dòng)詞-ing形式作表語,往往具有形容詞的性質(zhì),說明

主語的性質(zhì)、狀態(tài)等。Theresultofthegamewasdisappointing.比賽結(jié)果令人失望。Hislifestorysoundsverymoving.他的人生故事聽起來很感人。1作表語的動(dòng)詞-ing形式,許多是由能夠表示人們某種感情或情緒的動(dòng)詞變化而來的。常見的有：moving,interesting,encouraging,exciting,inspiring,boring,surprising,puzzling,amusing,astonishing等,這類分詞有“令人……的”的含義,常修飾物。2.動(dòng)詞-ing形式作表語多表示抽象性的或習(xí)慣性的動(dòng)作,一般說明主語的內(nèi)容?？梢赞D(zhuǎn)換到句首作主語。Myhobbyiscollectingstamps.→Collectingstampsismyhobby.我的愛好就是集郵。1Themovieis__________(excite).2Herjobis__________(teach)English.3Theresultofthetestisrather_____________(disappoint).4Hisfatherseems___________(satisfy)withhisresults.小試牛刀excitingteachingdisappointingsatisfied判斷下列句子中v-ing是作表語還是作定語1Thebookisboring.()2Thebarkingdogwokemeup.()3Herhobbyispainting.()4Thegirlsingingonthestageismysister.()定語定語表語表語總結(jié)v-ing作表語時(shí)，描述主語的性質(zhì)或狀態(tài)，通常位于系動(dòng)詞之后。v-ing作定語時(shí)，修飾名詞，表示該名詞的動(dòng)作或狀態(tài)，可以位于名詞前或名詞后。四、當(dāng)堂檢測(cè)，展示交流(1)Nooneisallowedtospeakaloudinthe________(read)room.(2)Yourspeechisthemost__________(inspire)

.(3)Theresultoftheaccidentis___________(shock).

(4)Thewoman

______(look)athermapisarelativeofmymother.

readinginspiringshockinglooking

動(dòng)詞-ing形式作