曾芳
摘 要:在近年的高考英語語法填空和短文改錯(cuò)題型中,對非謂語動(dòng)詞的考察明顯有所增加,且試題情景化,角度多樣化,但試題的難度有所控制,以“基礎(chǔ)”加“常用”為出發(fā)點(diǎn),重在考察知識的積累。
關(guān)鍵詞:高中英語 非謂語動(dòng)詞 理解和運(yùn)用
非謂語動(dòng)詞在整個(gè)高中階段是較難的語法點(diǎn),在近年的高考語法填空和短文改錯(cuò)題型中,對非謂語動(dòng)詞的考察明顯有所增加,且試題情景化,角度多樣化,但試題的難度有所控制,以“基礎(chǔ)”加“常用”為出發(fā)點(diǎn),重在考察知識的積累。因此在學(xué)習(xí)的過程中,從非謂語動(dòng)詞的概念理解入手,即什么是非謂語動(dòng)詞,什么時(shí)候用非謂語動(dòng)詞,并弄清非謂語動(dòng)詞的構(gòu)成形式及基本用法,遇到題目自然就迎刃而解了。
非謂語動(dòng)詞主要有三種形式,即動(dòng)詞不定式、分詞(現(xiàn)在分詞和過去分詞)、動(dòng)名詞。在日常學(xué)習(xí)中應(yīng)該注意積累,對重點(diǎn)動(dòng)詞要強(qiáng)化記憶,多練習(xí),形成語感。在做題時(shí)首先分析句子結(jié)構(gòu),判斷非謂語動(dòng)詞在句中所起的作用,找出其邏輯主語,判斷其與邏輯謂語的主被動(dòng)關(guān)系,明確其與句子的謂語動(dòng)詞所表示動(dòng)作的時(shí)間先后關(guān)系。
一、動(dòng)詞不定式的用法
1.作主語,當(dāng)作主語的不定式短語較長時(shí),常用it 作形式主語,而將真正的主語(不定式短語)放在謂語之后,常見用it作形式主語的句型有:
It is easy/difficult/hard/important/right/possible/necessary…for sb. to do … ;It is nice/kind/cruel/wise/clever/foolish/stupid/polite/careful/…of sb. to do…;Its a pleasure/pity/an honour…to do…;It takes sb. some time to do sth.
2.作表語。動(dòng)詞不定式用在系動(dòng)詞(如be,seem,remain,appear,get等)后面,用來說明主語的內(nèi)容。例 His wish is to be a doctor.
3.作賓語。接不定式(to do)作賓語的動(dòng)詞、短語常見的有:want, wish, hope, expect,would like/love, plan, prepare, mean ,agree, promise, offer, refuse,ask, beg, decide, determine,make up ones mind(s) to do,manage , try 等。
4.作形容詞的賓語。如be happy/glad/pleased/sure/ready/anxious/eager/free/afraid/willing to do
5.作賓語補(bǔ)足語。常帶動(dòng)詞不定式作賓補(bǔ)的動(dòng)詞或短語有:ask, order, advise, like, want, teach, force, beg, allow, expect, invite, tell, know, ask for, call on, depend on(sb.to do sth.)等。
感官動(dòng)詞:一感(feel),二聽(hear,listen to),三讓(make,have,let),五看(see,watch,look at,observe,notice)用于主動(dòng)句,后跟不帶to 的不定式作賓補(bǔ),但在被動(dòng)語態(tài)中,賓補(bǔ)變成主補(bǔ)時(shí),要加上to。
6.作定語。動(dòng)詞不定式作定語時(shí),它的位置是在它所修飾的詞之后。如果作定語用的不定式是不及物動(dòng)詞,就要在這個(gè)不及物動(dòng)詞后面加上介詞,使被修飾的這個(gè)詞成為這個(gè)介詞的邏輯賓語。
7.作狀語。表示目的:如in order (not) to do, so as (not) to do;表示原因如:We jumped with joy to hear the news.表示結(jié)果:不定式常和only,never連用,強(qiáng)調(diào)結(jié)果和失望的情緒。如:They lifted a rock only to drop it on their own feet.
8.作獨(dú)立充分如:To be frank ?坦率地說;To tell you the truth 說實(shí)話
9.how, when, where ,what, which, who, whether等疑問詞+動(dòng)詞不定式相當(dāng)于一個(gè)名詞短語,可用在句中作主語,表語,動(dòng)詞的賓語,介詞的賓語,同位語,賓語補(bǔ)足語,后置定語和狀語。
10.不定式的省略
為了避免重復(fù),在hope, wish, want, like, love, plan, need, mean, forget, have to, be going to, used to, ought to等動(dòng)詞后再次出現(xiàn)與前面相同的不定式時(shí)可以省去而只留下不定式符號to。如果在省略的不定式結(jié)構(gòu)中有be, have, have been時(shí),要保留。
在使役動(dòng)詞make 和感官動(dòng)詞(feel,see,watch,notice, listen to, hear, observe)后作賓補(bǔ)時(shí),不定式的符號要省略,但當(dāng)變成被動(dòng)句時(shí),符號to要補(bǔ)上。即make sb. do(主動(dòng)) →be made to do(被動(dòng));see sb. do(主動(dòng))→be seen to do(被動(dòng));
had better do,;cant help but do,;would rather do…than do…;do nothing but do; cant choose but do; have no choice but do,;There is nothing to do but do等結(jié)構(gòu)中動(dòng)詞不定式省略to。
二、動(dòng)名詞的用法
1.作主語。動(dòng)名詞作主語時(shí),謂語動(dòng)詞一律用單數(shù)形式。下面的句型中常用it作形式主語,用動(dòng)名詞作真實(shí)主語。It is a waste of/no good/no use/worthwhile doing…意為“做什么是沒用的/值得的”。There be 句型中,常用動(dòng)名詞作主語, 意為“做什么是沒用的”:There is no use/good/sense/point in doing…
2.作表語。如:His hobby is painting.
3.作賓語。只接動(dòng)名詞作賓語的動(dòng)詞和短語有:advice/suggest, practice, avoid , mind, imagine, delay, finish, enjoy, consider, risk, resist, appreciate, excuse, put off, ?miss, keep, allow, admit, ?give up ,cant/couldnt help , be used to doing,look forward to ,be fond of, be good at, be interested in, dream of, prevent/stop/keep sb. from doing, depend on, thank sb. for doing, feel like ,spend …in doing, devote…to doing, be busy in …, be afraid of, be tired of, burst out,insist on等。
三、分詞的用法
分詞有現(xiàn)在分詞和過去分詞兩種。現(xiàn)在分詞表示主動(dòng),而及物動(dòng)詞的過去分詞則表示被動(dòng)。現(xiàn)在分詞表示動(dòng)作正在進(jìn)行;過去分詞表示動(dòng)作已經(jīng)完成。
1.作定語。單個(gè)分詞作定語時(shí),一般放在被修飾的名詞的前面。分詞短語作定語時(shí),則放在名詞的后面,相當(dāng)于定語從句。
2.作表語。某些使役動(dòng)詞的現(xiàn)在分詞一般用來修飾和說明事物,其過去分詞一般用來修飾和說明人。如:amusing, amused; exciting, excited; interesting, interested; encouraging, encouraged; disappointing, disappointed; puzzling, puzzled, satisfying, satisfied; worrying, worried; tiring, tired; pleasing, pleased; astonishing, astonished等。