語態(tài)

　　例題：The unit of measurement known as foot has originally based on the average size of the

　　A B C

　　human foot. 97.69

　　D

　　【答案】B has改為was. be based on/upon表示“以…為基礎(chǔ)/根據(jù)” 根據(jù)題意，應(yīng)該把has 改為be的過去時(shí).所以用was.

　　1. The course would have been offered this term, but it cancelled because too few students

　　A B

　　had registered before registration closed. 02.69

　　C D

　　【答案】B。應(yīng)改為;was cancelled , 被動語態(tài)，因?yàn)閏ancel 是及物動詞，而后面沒有跟賓語，所以應(yīng)考慮是被動語態(tài)。

　　2. Many unexpected problems have been arisen in the course of the reconstruction of the city. 94.63

　　A B C D

　　【答案】B arise“出現(xiàn)”，屬于不及物動詞，沒有被動式。應(yīng)該改成have arisen。

　　3. Lewis had to travel by bus as his car had been damaged in an accident some days before and

　　A B C

　　he was failed to get it repaired.0504.49

　　D

　　【答案】D。應(yīng)改為failed。Fail to do 為固定用法，不需要用be.

　　4. These part-time students expect to offer some jobs on campus during the coming summer vacation. 0404.49

　　A B C D

　　【答案】A 應(yīng)改為be offered。句子意思：學(xué)生們期望被給一份工作。學(xué)生是被給予工作，用被動。

　　5. Red and green light, if mixing, in the right proportion, will give us yellow. 0311.50

　　A B C D

　　【答案】B 應(yīng)改為mixed，因?yàn)榉衷~和主語：“red and green light”是動賓關(guān)系，因此要用過去分詞。本句的意思是：“紅燈、綠燈混合到一起，如果比例正確的話，就會變成黃色。

　　虛擬語氣

　　例題. If you will buy one box at the regular price, you would receive after one at no extra cost. 92.67

　　A B C D

　　【答案】B 在條件狀語從句中，將來時(shí)應(yīng)該用動詞現(xiàn)在時(shí)表示。

　　1. We are all for your proposal that the discussion is to be put off. 0804.50

　　A B C D

　　【答案】D 應(yīng)改為should be put off。句意為“這個(gè)討論應(yīng)該被推遲”

　　2.It is about time that we go to supper, for we still have a meeting to attend this evening. 0704.53

　　A B C D

　　【答案】B應(yīng)改為went to supper. It is time that…后面要用虛擬語氣，即用過去式表示。

　　3. He wished he didn’t tell her the truth that brought her so much pain. 0611.48

　　A B C D

　　【答案】B應(yīng)改為 hadn’t told。 wish 后若表示對過去情況的虛擬時(shí)，用過去完成時(shí)。

　　4. It is very important that the students’ voice is heard by the authorities of all our schools. 0611.52

　　A B C D

　　【答案】B應(yīng)改為 be heard。important后面的從句中要用虛擬語氣should+動詞原型，should可以省略

　　5. “Shall I give you a cheque for $10?” “I’d rather you give me $10 in notes.” 0604.52

　　A B C D

　　【答案】C 改為gave。虛擬語氣

　　6. We strongly suggest that Smith is told about his physical condition as soon as possible. 0311.51

　　A B C D

　　【答案】C 應(yīng)改為be told，因?yàn)槭莝uggest引導(dǎo)的賓語從句，謂語動詞省略了should。本句的意思是：“我們強(qiáng)烈建議告訴盡快史密斯先生他的身體狀況�！�

　　7. The law I am referring to requires that everyone who owns a car has accident insurance. 02.67

　　A B C D

　　【答案】D。應(yīng)改為 have。 suggest, insist, order, demand, request, command, require等動詞引導(dǎo)賓語從句時(shí)， 要用虛擬語氣，謂語動詞要should (可以省略)+原形動詞。They requested that the students (should) learn the second language.他們要求學(xué)生要學(xué)第二外語。

　　8. It is important that she goes to see the doctor immediately. 99.68

　　A B C D

　　【答案】C it is+ natural (necessary, strange , important, imperative) that… 句型中，that引導(dǎo)的主語從句中要求使用虛擬語氣，謂語動詞用(should)+do形式。把C改為should go就對了。

　　9. He will not do it had he known how serious the outcome would be. 0511.49

　　A B C D

　　【答案】A. 應(yīng)改為would not have done. 綜合全句看，這是表示對過去情況的虛擬假設(shè)，固定用法：would not have done….if had done…, 此處had he known 為if he had done的倒裝省略。

　　10. If your uncle was able to finish fixing the radio, he would have brought it back to you.

　　A B C D

　　【答案】A. 從句意可以判斷出是對過去情況的虛擬。If從句用過去完成式，主句用would have done。應(yīng)改為had been able to。