英語專業(yè)四級虛擬語氣語法考點
專四語法考點虛擬語氣、情態(tài)動詞、非謂語動詞、復合句、倒裝、小語法(省略，時態(tài)，反義疑問句，代詞，強調句，主謂一致，冠詞，形容詞及副詞)、as的特殊用法。以下是小編為大家搜索整理的英語專業(yè)四級虛擬語氣語法考點，希望能給大家?guī)韼椭?更多精彩內容請及時關注我們應屆畢業(yè)生考試網!
英語專四語法考點串講之一 虛擬語氣
一般說來，有下列幾種考點需要考生注意(十考點及兩備考點)
考點1. 與現在事實相反
從句謂語動詞用did(be用were)，
主句謂語動詞would(should,could,might)+do;
考點2. 與過去事實相反
從句謂語動詞用had done，
主句謂語動詞用 would(should,could,might)+ have done;
例如：
43.I _________the party much more if there hadn’t been quite such a crowd of people there.
A. would enjoy B. will have enjoyed
C. would have enjoyed D. will be enjoying
49.All of us would have enjoyed the party much more if there _________ quite such a crowd of people there.
A. weren’t B. hasn’t been C. hadn’t been D. wouldn’t
考點3.與將來事實相反，
從句謂語動詞用：did(should+do或were + to do)，
主句謂語動詞用：would(should,could,might)+do。
例如：
43. If your car ___ any attention during the first 12 months, take it to an authorized dealer.(08年)
• A. shall need C. would need
• B. should need D. will need
考點4. 時態(tài)的交叉現象，也就是主句與從句的動作發(fā)生在不同的時間段
例如：
If you had gone to see the doctor，you would be all right now.你要是早去看病,你現在就沒事了。
考點5.虛擬條件句if可以省略，但從句的語序要用到裝，即將were,had或 should移至主語的前面形成倒裝，但否定詞not不前移。
例如：
65.___, he would not have recovered so quickly.(05年)
• A. Hadn't he been taken good care of
• B. Had he not been taken good care of
• C. Had not he been taken good care of
• D. Had he been not taken good care of
考點6. insist(一個堅持);order command(兩道命令);suggest， advise, propose(三條建議);ask, require, request, demand(四點要求) 及相應的名詞的從句，謂語要使用：should+動詞原形或動詞原形
例如：
58. It was recommended that passengers ___ smoke during the flight.(04年)
• A. not B. need not C. could not D. would not
考點7.It is +advisable, essential important,, imperative, incredible,等等相關的從句，謂語要使用：should+動詞原形或動詞原形
例如：
46.It is imperative that students ____ their term papers on time.(04年)?
• A. hand in B. would hand in ?
• C. have to hand in D. handed in?
考點8.it is high(about) time that的結構中，從句使用一般過去式
例如:
54 It’s high time we __ cutting down the rainforests.(06年)
A stopped B had to stop C shall stop D stop
考點9.much as盡管，雖然，引導讓步狀語從句，從句中用would have done表示假設，可以是說話人的.語氣變得十分委婉，真誠。
例如：
52. Much as ____, I couldn’t lend him the money because I simply didn’t have that much spare cash.(99年)
A.I would have liked to B.I would like to have
C.I should have to like D.I should have liked to
考點10. if only表示要是…就好了相當 與wish, as if/as though 的用法。
與現在事實相反：動詞過去式
與過去事實相反: had + done
與將來事實相反： could/would + do
例如：
52. If only I __play the guitar as well as you! (06 年)
A would B could C should D might
備考1. would rather或would sooner后跟賓語從句，從句中使用一般過去式或過去完成式分別表示對現在或過去的虛擬，表示“寧愿某人作某事”
例如：
The manager would rather his daughter ____ in the same office now.
A.had not worked B.not to work
C.does not work D.did not work
備考2.用于lest,for fear that引導的狀語從句。在lest, for fear that等引導的狀語從句中，通常用"(should +)原形動詞"這一虛擬語氣形式
例如：
The mad man was put in the soft-padded cell lest he ________ himself.
A.injure B.had injured C.injured D.would injure
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