【正文】 56． C．同上。 46． C． 47． C． 48． C． 49． B． would rather引導(dǎo)的虛擬語氣其謂語用過去式。 44．（ B）所給的四個選項中沒有一個表示對未來的情況的虛擬的形式 should+動詞原形，或是 were to do，因此可以斷定 if 引導(dǎo)的條件句在這里最真實的條件句，用一般現(xiàn)在時表示一般將來時，故（ B）是正確答案。虛擬語氣形式為動詞的過去 式。 40．（ D）連 so that引導(dǎo)的從句中要求用虛擬語氣，表示一種假設(shè)，形式為 might+動詞原形。 37．（ C） who 引導(dǎo)的定語從句中的現(xiàn)在完成時表示動作業(yè)已發(fā)生，所以主句中表示的虛擬是針對已經(jīng)發(fā)生了的行為，所以應(yīng)該用過去完成式表示對過去的虛擬。 34． A． as if引導(dǎo)的與過去相反的虛擬。 32． D． felt是過去式，所以該句是由 as though引導(dǎo)的與過去相反的虛擬。 30． A．表示與現(xiàn)在相反的虛擬。（ B），（ D）的表達(dá)不符合英語表達(dá)習(xí)慣，所以（ C）是正確答案 。 27．（ B） had hoped 是常見的要求其后的賓語從句用虛擬語氣的句型 ,虛擬語氣 would+動詞原形。 20．（ A） as if 引導(dǎo)的從句要求用虛擬語氣，表示同時或?qū)淼那闆r，動詞要用過去式（ be動詞用 were）或 would(could等 )+動詞原形，本句話中指的是當(dāng)時的情況，所以要用過去式，故（ A）是正確答案。 19．（ A）該句也是一個復(fù)雜條件句（或稱作混合虛擬條件句）。（ B） had offended表示當(dāng)時已經(jīng)發(fā)生了的動作。（ C）中 should+have+過去分詞結(jié)構(gòu)表示本來應(yīng)該做卻沒有做的事，在此不合題意。因而 but所引導(dǎo)的句子中應(yīng)該用表示志過去事實相符合的表陳述的時態(tài)，即一般過去時。 16．（ C）在表示要求、愿望、建議、請求、命令等含義的名詞同位語從句中，從句謂語動詞要用虛擬語氣形式，即 should(可以省略 )+動詞原形。 15．（ D） it 是形式賓語， urgent是賓語補(bǔ)足語， that引導(dǎo)的從句是真正的賓語從句，該從句 的內(nèi)容被 認(rèn)為是 urgent（急迫的），這樣從句的謂語動詞要求用虛擬語氣形式，即 should（可以省略） +動詞原形。 13． A．從句對過去的虛擬。 11．（ C）題目中的第一句話表示的是現(xiàn)在真實的情況，而第二句話中所要表達(dá)的是應(yīng)該做但事實上沒有做的事，這種情況導(dǎo)致第一句話中真實情況的發(fā)生，故 If only 條件句假設(shè)的是過去一種情況，因此應(yīng)該用 had +過去分詞，所以正確答案是（ C）。 10． （ B）假設(shè)的情況有時不是用一個條件句表示，而是隱含在一個由介詞如 but for、 but that、without, 由連詞 but、副詞 otherwise 、比較級、形容詞、獨立主格等表示的上下文中。四個選項中 只有（ D）是正確表達(dá)形式，故為正確答案。 8． （ D）這道題目是一個混合虛擬語氣的句子。 6． D．條件句表示與現(xiàn)在事實的虛擬。 4． B．條件句表示與未來事實的相反。 2． B．條件句表示與過去事實的虛擬。s working hard for fear that he . A. should fall behind B. fell behind C. may fall behind D. would fall behind 58. Without the dreams of the youth, this invention might for a century. A. have been postponed B. has been postponed C. postpone D. be postponed 59. In the past men generally preferred that their wives______ in the home. A. worked B. would work C. work D. were working 60. For a child to give up his less mature idea for a more mature one, it requires that the child psychologically ready for the new idea. A. is B. were C. be D. would be 61. Tom39。t have received 56. John did not feel well yesterday。 otherwise she would have replied before now. A. has received B. ought to have received C. couldn39。s about time people______ notice of what women did during the war. A. take B. took C. have taken D. will take 53. Everybody has arrived. It39。t speak 51. It39。d just as soon_______ rudely to her. A. that you won39。t D. didn39。d rather you anything about it for the time being. A. do B. didn39。t expected Henry to apologize but I had hoped . A. him t call me up B. him calling me up C. that he would call me up D. that he will call me 47. I had hoped that John ______a year in Africa, but he stayed there only for three months. A. spends B. spent C. would spend D. will spend 48. I had hoped that Jennifer a doctor, but she wasn39。s advanced technology . A. will not have been achieved B. have not been achieved C. would not have been achieved D. had not been achieved 40. He told her to return the book in time so that others a chance to read it . A. may have B. will have C. would have D. might have 41. It is time that the government measures to protect the rare birds and animals. A. takes B. took C. has taken D. taking 42. Some people are too particular about school records, insisting that every applicant ______all diplomas from elementary school to university. A. has B. will have C. should have D. must have 43. He was very busy yesterday, otherwise he to the meeting. A. would e B. came C. would have e D. had e 44. I must say he reads very well, and I shouldn39。t had D. hadn39。t B. didn39。t D. didn39。t happened C. had he not had a flat tire D. had the tire not flattened itself 29. The teacher suggested that her students experiences with ESP. A. write a position on their B. to write position about the C. wrote some positions of his or her D. had written any positions for his 30. He speaks Chinese as fluently as if he ______a Chinese. A. were B. had been C. is D. has been 31. As usual, he put on a show as though his trip a great success. A. had been B. has been C. were D. was 32. Looking round the town, he felt as though he