as-if-用法歸納

1、as-if-用法歸納asif用法歸納1. asif從句的作用asif一般可由asthough來代替。引導(dǎo)表語從句，可在look,seem等系動(dòng)詞后。如：Helookedasif/thoughhewasill.他看起來好像生病了。Itseemsasifitisgoingtorain.看來好像要下雨了。引導(dǎo)方式狀語從句。如：Irememberthewholethingasif/thoughithappenedyesterday.Thechildtalkedtousasifhewereagrown-up.那個(gè)小孩跟我們講話就像個(gè)大人一樣。2. asif從句的語氣及時(shí)態(tài)asif從句用陳述語氣。當(dāng)說話者

2、認(rèn)為句子所述的是真實(shí)的或極有可能發(fā)生或存在的事實(shí)時(shí)，Itsoundsasifitisraining.聽起來像在下雨。He talks as if he isdrunk.從他說話的樣子來看他是醉了。asif從句用虛擬語氣。當(dāng)說話人認(rèn)為句子所述的是不真實(shí)的或極少有可能發(fā)生或存在的情況時(shí)，表示與現(xiàn)在事實(shí)相反，謂語動(dòng)詞用一般過去式。如：Youlookasifyoudidntcare.你看上去好像并不在乎。Whenapencilispartlyinaglassofwater,itlooksasifitwerebroken.表示與過去或與談話時(shí)間為止發(fā)生的事實(shí)相反，謂語動(dòng)詞用“had+過去分詞”。如:He

3、talkedabouttheGreatWallasifhehadbeentherebefore.說起長(zhǎng)城來好像他以前去過那里。Thegirllistenedasifshehadbeenturnedtostone.女孩聽著，一動(dòng)也不動(dòng)，像已經(jīng)變成了石頭。表示與將來事實(shí)相反，謂語動(dòng)詞用“would/could/might+動(dòng)詞原形”。如：Heopenedhismouthasifhewouldsaysomething.他張開嘴好像要說什么。Itlooksasifitmightsnow.看來好像要下雪了。3. asif從句中的省略。如果asif引導(dǎo)的從句是“主語+系動(dòng)詞”結(jié)構(gòu)，可省略主語和系動(dòng)詞等成份

4、，這樣asif后就只剩下名詞、不定式、形容詞(短語)或動(dòng)詞-ing形式等。Heactsasif(hewas)afool.他做事像個(gè)傻子。Hepausedasif(hewasgoing)toletthesadmemorypass.Thegirllefttheroomhurriedlyasif(shewas)angry.女孩匆忙離開房間，好像生氣的樣子。Fromtimetotime,Jasonturnedroundasif(hewas)searchingforsomeone.詞匯學(xué)習(xí)1.Asmellygascameoutofthecracks.smelly : smell+ yadj.smell

5、n. /v(smelt/smelled)擴(kuò)展：n.+y構(gòu)成形容詞bloodmudsuncloudrainwindtastedreamicegreedfatfoghealthwealth4. But the one millionpeople of the city,who thoughtlittle of these events,were asleep as usual that night.thinkof想起,考慮thinklittleof不重視,忽視thinknothingof認(rèn)為沒什么thinkbadly/poorly/illof對(duì)看法不好，評(píng)價(jià)很低thinkwe11/much/hig

6、hly/alot/agreatdealof對(duì)重視/高度評(píng)價(jià)5.Itseemedasiftheworldwasatanend.atanend=finished結(jié)束，終結(jié)（作表語）Wewereveryhappywhentheworkwasatanend.attheendof在盡頭；在末”bytheendof“到/截止末Q主句一般用完成時(shí)intheend意思”最后、終于二atlast/finally1. Washyourhandsattheendof_theexperiment.2. HowmanyEnglishwordshadyoulearnedbytheendof_lastterm?3. Het

7、riedvariousjobsand_intheend_becameateacher.1.Infifteenterriblesecondsalargecitylayinruins.在可怕的15秒鐘內(nèi)，一座大城市就沉淪在一片廢墟之中。lie(laylain)處于某種狀態(tài);躺，平躺，平臥平放中文原形過去式過去分詞現(xiàn)在分詞說明放置產(chǎn)卵laylaidlaidlaying及物動(dòng)詞躺;位于lielayIainlying不及物動(dòng)詞說謊lieliedliedlying不及物動(dòng)詞HissuddendeathwasagreatILshockn震驚打擊shocktohisfamily.shockVt.使震驚使震動(dòng)Peoplewereshocked(shock).我們對(duì)這個(gè)消息感到震驚。Wewereshockedatthenews.Thenewsisshocking(shock)表示情感的動(dòng)詞excite,surprise,interest,bore,move,shock.disappoint,satisfy,變?yōu)樾稳菰~時(shí)可加ing(指物)或加ed(指人)短語句型過關(guān)at anno wonderburstintosth.=burstoutdoi