北師大版高中英語(yǔ)必修第三冊(cè)UNIT8 SectionⅡ Period4課件

Period４SectionⅡ

LESSON2&LESSON3UNIT8

GREENLIVING主題語(yǔ)境人與社會(huì)——重要國(guó)際組織與社會(huì)公益機(jī)構(gòu)課時(shí)學(xué)案單元語(yǔ)法講練動(dòng)詞或名詞在不改變?cè)~形的前提下，英語(yǔ)中有些詞可從一個(gè)詞類變成另一個(gè)詞類，如動(dòng)詞變?yōu)槊~，名詞變?yōu)閯?dòng)詞，形容詞變?yōu)楦痹~或動(dòng)詞等，這種現(xiàn)象被稱為詞的轉(zhuǎn)化。1．動(dòng)詞轉(zhuǎn)化為名詞①意思沒(méi)有變化。如：Themanstandingbytheriversidecan'tswim．站在河邊的那個(gè)男子不會(huì)游泳。(swim是動(dòng)詞)Let'sgoforaswimthisafternoon．今天下午咱們?nèi)ビ斡景伞?swim是名詞)②意思沒(méi)有大的變化。如：Shedoesn'tliketowalkhomelateatnight．她不喜歡在深夜步行回家。(walk是動(dòng)詞)Aftersupper，weoftengooutforawalk．晚飯后我們經(jīng)常到外面散步。(walk是名詞)③意思有較大的變化。如：They'regoingtobuildhousesonthesiteoftheoldpowerstation．他們要在老發(fā)電站那里建房子。(build是動(dòng)詞)Heisamanofstrongbuild．他是一個(gè)體格健壯的漢子。(build是名詞)2．名詞轉(zhuǎn)化為動(dòng)詞①表示事物的名詞變?yōu)閯?dòng)詞。如：Thelittleboyisreadingabookaboutwildlife．這個(gè)小男孩在看一本有關(guān)野生動(dòng)物的書。(book是名詞)I'dliketobookatablefortwofor8o'clocktonight．我想訂一張今晚8點(diǎn)鐘的二人餐桌。(book是動(dòng)詞)②表示身體部位的名詞變?yōu)閯?dòng)詞。如：Putupyourhandifyouknowtheanswer．如果你知道答案就舉手。(hand是名詞)Pleasehandmethebook．請(qǐng)把那本書遞給我。(hand是動(dòng)詞)③表示職業(yè)的名詞變?yōu)閯?dòng)詞。如：Thewomanisanexperiencednurse．這位婦女是個(gè)有經(jīng)驗(yàn)的護(hù)士。(nurse是名詞)Shenursedherdaughterbacktohealth．她照料女兒，使她康復(fù)。(nurse是動(dòng)詞)④某些抽象名詞變?yōu)閯?dòng)詞。如：Haveyouhadyourlunch?你吃過(guò)午飯了嗎？(lunch是名詞)Iwouldliketolunchwithyou．我愿意和你一起共進(jìn)午餐。(lunch是動(dòng)詞)[即時(shí)訓(xùn)練1]選用work/head的適當(dāng)形式填空①Doyouenjoy________withchildren?②Shehasalotof_____todo．③Usuallypeoplenodtheir_____inagreement．④Wedecidedtouprootand____forShanghai．workingworkheadshead3．形容詞轉(zhuǎn)化為動(dòng)詞有少數(shù)形容詞可以轉(zhuǎn)化為動(dòng)詞。如：There'snothingbetterthanahotbath．沒(méi)有什么比洗個(gè)熱水澡更舒服的了。(better是形容詞)Thousandsofworkersjoinededucationalassociationsinanattempttobetterthemselves．成千上萬(wàn)名工人加入了各種教育協(xié)會(huì)，以求上進(jìn)。(better是動(dòng)詞)4．形容詞轉(zhuǎn)化為副詞Wefoundacheapandcheerfulcafe．我們找到了一家價(jià)格低廉環(huán)境宜人的咖啡館。(cheap是形容詞)Igotthisdresscheapinasale．這件衣服是我在大減價(jià)時(shí)便宜買的。(cheap是副詞)[即時(shí)訓(xùn)練2]指出句中加黑單詞是什么詞類①Whenwecalmsomebodydown，theybecomecalm． ____

______②Thehousehasawidedooranditiswideopen． ______

____動(dòng)詞形容詞形容詞副詞根據(jù)提示詞完成句子1．It'simportanttodevelopgood_____skills．(study)2．Howlonghaveyoubeen________English？(study)3．It'smyfirst_____toNewYork．(visit)4．ThePrimeMinisteris________Japanatthemoment．(visit)5．Whatisthe_______mounta