情态动词和虚拟语气学案及答案

1、情态动词 熟读深思熟读深思 Lucy is an outgoing lady. She can1 play many kinds of musical instruments. Actually, she could2play the piano when she was 8 years old. Lucy also keeps taking exercise every day. She says that she has to3 do some sports because she must4 keep slim. “You shall5 get fat soon if you dont

2、take exercise every day.” she usually says to her friends. As for her, an elegant lady should6 try to keep fit. However, last week, she found that she might7 put on weight and she was worried and decided to lose her weight. And these days she is always thinking that she may8 succeed soon if she trie

3、s all her best. However, she is always lack of time because she ought to9 take care of her children. One night after supper, she walked quickly in order to go dancing at the Tomorrow Park and she was late. On her way, she thought that the dancing must have begun10, and the coach could have taught or

4、 shown11 many new moves. She was afraid that her friends might have left 12 before she got there. She was regretful then.She should have had13 supper earlier, or she could have taken a taxi14, and indeed she neednt have taken15 a bath in advance. When she reached the park finally, she found nobody w

5、as there. She remembered suddenly that it had been reported on the radio that there would be a heavy rain that night. 汉语译文：汉语译文：露西是一个性格外向的女士。她能够露西是一个性格外向的女士。她能够演奏许多种乐器。事实上，在她演奏许多种乐器。事实上，在她8 8岁的时候，她岁的时候，她就能弹奏钢琴了。露西每天都要坚持运动。她说就能弹奏钢琴了。露西每天都要坚持运动。她说她每天都必须做一些运动，因为她得保持苗条。她每天都必须做一些运动，因为她得保持苗条。她经常对她的朋友们说：她经

6、常对她的朋友们说：“如果你不每天坚持运如果你不每天坚持运动的话，你一定很快就会变肥的。动的话，你一定很快就会变肥的。”对于她来说，一位女士应该尽量保持健康苗条。然而，对于她来说，一位女士应该尽量保持健康苗条。然而，上星期她发现她可能又胖了上星期她发现她可能又胖了, ,她很担忧，并且决定要减她很担忧，并且决定要减肥。这些天，她总是在想，如果她尽自己最大的努力肥。这些天，她总是在想，如果她尽自己最大的努力（去减肥）的话，她也许很快就能成功的。不过，她总（去减肥）的话，她也许很快就能成功的。不过，她总是缺少时间，因为她是应该要好好照顾她的孩子们的。是缺少时间，因为她是应该要好好照顾她的孩子们的。 一

7、天晚上，在她吃过晚饭后，她急匆匆地步行前往一天晚上，在她吃过晚饭后，她急匆匆地步行前往明天公园去跳舞。她迟到了。她一路上都在胡思乱想：明天公园去跳舞。她迟到了。她一路上都在胡思乱想：跳舞一定已经开始了，教练可能已经教了或者是展示了跳舞一定已经开始了，教练可能已经教了或者是展示了许多新动作。在她到达之前，恐怕连她的朋友都已经离许多新动作。在她到达之前，恐怕连她的朋友都已经离开了。她很懊悔，她本应该要早点吃晚饭的，或者她本开了。她很懊悔，她本应该要早点吃晚饭的，或者她本来可以打的士去的，而且甚至她没有必要提前就冲凉的。来可以打的士去的，而且甚至她没有必要提前就冲凉的。当她最终到达公园的时候，她发现

8、，那儿一个人也没有。当她最终到达公园的时候，她发现，那儿一个人也没有。她突然想起来，电台上已经预报过说那晚可能会有一场她突然想起来，电台上已经预报过说那晚可能会有一场大雨的。大雨的。1. can在此表示能力。在此表示能力。2. could在此表示能力，是在此表示能力，是can一般过去时。一般过去时。3. have to表示表示“不得不不得不”，强调客观需要。，强调客观需要。4. must表示表示“必须必须”，强调主观想法。，强调主观想法。5. shall表示说话者的意图、允诺、告诫、警告表示说话者的意图、允诺、告诫、警告等，用于陈述句的第二、第三人称时。等，用于陈述句的第二、第三人称时。6.

9、should表示劝告或建议，意为表示劝告或建议，意为“应该应该”。7. might在此是在此是may的过去式，表示的过去式，表示“可能可能”。8. may表示表示“可能可能 ”。 熟读深思熟读深思 9. ought to“应该应该”，表示义务或责任，比，表示义务或责任，比should语气重。语气重。10. must have done表示对过去已经发生的事进表示对过去已经发生的事进行推测，意为行推测，意为“想必已经做了某事想必已经做了某事”。11. could have done表示对过去情况的推测，意表示对过去情况的推测，意为为“可能已经做了某事可能已经做了某事”。 12. might ha

10、ve done表示表示“或许已经做了某事或许已经做了某事”。13. should have done表示表示“本应该做某事本应该做某事(但没但没有做有做)”，有责备和懊悔之意。，有责备和懊悔之意。14. could have done意为意为“本来可以某事本来可以某事(但没有但没有做做)”, 有懊悔之意。有懊悔之意。15. neednt have done表示做了本来不必去做的表示做了本来不必去做的事情，意为事情，意为“本不必做某事本不必做某事(但却做了但却做了)。1. 基本语法特点：基本语法特点：1. 情态动词情态动词+原形原形2. 情态动词没有人称时态的变化情态动词没有人称时态的变化3.

11、变否定，情态动词变否定，情态动词+not; 变疑问变疑问,情态动词移情态动词移至句首。至句首。应用一：应用一：您能帮我安排辆车吗？您能帮我安排辆车吗？(听说风暴听说风暴U4)Could you arrange a car for me?我明天可以请假吗？我明天可以请假吗？ (听说风暴听说风暴U5)May I take tomorrow off? *be able to 能用于能用于各种时态各种时态。 can / could 只能表示只能表示现在现在或或过去过去的能力。的能力。 * was / were able to : “设法做成某事设法做成某事”= managed to do sth. s

12、ucceeded in doing sth.。1. That big cinema _ seat 2,000 people.2. They will _ run this machine on theirown in three months.3. The fire spread through the hotel very quickly but everyone _ get out.难点难点1： can, could, be able tocanwas able tobe able to=managed to do sth. succeeded in doing sth. *must 表主

13、观表主观“必须必须”。 have to 表客观表客观“不得不不得不”，时态上有过去，时态上有过去式式:_, 将来时：将来时：_。 must 提问提问：肯定回答用：肯定回答用_ 否定回答用否定回答用_难点难点 2： must与与have tohad towill have to应用二：应用二：Ask: 他必须在他必须在8点之前到达那吗？点之前到达那吗？ Must he arrive there before 8 oclock? Tape script(听力原文听力原文): Because there is a typhoon, the meeting at 8 oclock is cancell

14、ed.Answer: _No, he neednt ./No, he doesnt have to Yes, must.No, neednt.No, dont/doesnt have to肯定的推测肯定的推测可能的推测可能的推测否定的推测否定的推测疑问的推测疑问的推测 must/should 对将来对将来 对现在对现在 对过去对过去情态动词情态动词may, might cant, couldntcan, could + V. + V. + have done常见常见must be + be doing + V. + V. + have done + be doing 可以用可以用not表示表示

15、“可能不可能不” +V. + V. + have done + be doing+ V. + V. + have done + be doing情态动词表猜测用法：情态动词表猜测用法：1. I didnt hear the phone. I _ (be) asleep.2. -There were already five people in the car, but they managed to take me as well. -It _(be) a comfortable journey.即时练习：即时练习：couldnt have beenmust have been难点难点4:情态

16、动词情态动词+have done 的特殊意义的特殊意义ought to/should have done sth 本应该做某事（但没做）本应该做某事（但没做）ought not to/shouldnt have done sth 本不应该做某事（却做了）本不应该做某事（却做了）could have done sth 本来能够做某事（而实际上没有做）本来能够做某事（而实际上没有做）might have done sth 本可以做某事（而实际没做）本可以做某事（而实际没做）neednt have done sth 本不必做（而实际上做了）本不必做（而实际上做了）You might as well

17、tell your mom the truth, she seems to have known what you have done.You cant be too careful when youre driving.难点难点5:易误解的情态动词短语及句型：易误解的情态动词短语及句型：再再也不为过也不为过 (相当于相当于 非常非常) 不妨不妨, 还是还是为好为好请根据以下内容写一篇关于刘翔因伤退赛、养伤请根据以下内容写一篇关于刘翔因伤退赛、养伤归来、再创辉煌的报道。归来、再创辉煌的报道。1.刘翔本该可以在刘翔本该可以在2008年北京奥运会上获得一枚金年北京奥运会上获得一枚金牌的牌的, 但由

18、于脚伤退出了比赛。但由于脚伤退出了比赛。2. 随后随后,他告诉所有中国人他能处理好他告诉所有中国人他能处理好,他会尽他最他会尽他最大的努力回来比赛。大的努力回来比赛。3.在他养伤的过程中在他养伤的过程中, 刘翔一定克服了许多困难刘翔一定克服了许多困难, 4.令我们欣慰的是令我们欣慰的是, 缺席缺席13个月后个月后, 刘翔终于又回来刘翔终于又回来参加比赛。参加比赛。5.事实上事实上, 他能回来全是因为他的信念他能回来全是因为他的信念, 我们其实我们其实不必为他担心不必为他担心, 因为他目前状况很好。因为他目前状况很好。情态动词在写作中的运用：情态动词在写作中的运用：1.刘翔本该可以在刘翔本该可以

19、在2008年北京奥运会上获得年北京奥运会上获得一枚金牌的一枚金牌的, 但由于脚伤退出了比赛。但由于脚伤退出了比赛。2. 随后随后,他告诉所有中国人他能处理好他告诉所有中国人他能处理好,他会他会尽他最大的努力回来比赛。尽他最大的努力回来比赛。3.在他养伤的过程中在他养伤的过程中, 刘翔一定克服了许多困刘翔一定克服了许多困难难, 4.令我们欣慰的是令我们欣慰的是, 缺席缺席13个月后个月后, 刘翔终于刘翔终于又回来参加比赛。又回来参加比赛。5.事实上事实上, 他能回来全是因为他的自信和信念他能回来全是因为他的自信和信念, 我们其实不必为他担心我们其实不必为他担心, 即使他再次受伤。即使他再次受伤。

20、Liu Xiang could have won a gold medal at the 2008 Beijing Olympics, but he quit the game due to a foot injury.After that, he told all the Chinese not to worry about him because he could handle it and he would try his utmost to come back.During his recovery of the injury, Liu Xiang must have overcome

21、 a lot of difficulties.Much to our relief, after a 13-month absence, he finally returned.Actually, that he could come back is due to his belief and we neednt have worried about him because he is in good condition.虚拟语气 熟读深思熟读深思 My deskmate, Mary, treats me as if she were1my sister. She is nice but fa

22、t. If she were not so fat, she would look2like a super model. Last year, a doctor advised that she (should) eat3 more vegetables and fruits. He also made a suggestion that she (should) work out4regularly. Besides, he insisted that she (should) walk5 to school. If she had followed the doctors advice,

23、 she would not be so fat now6. In other words, if the doctor had persuaded her to do so, she would not have become7 overweight. This morning, Marys mother bought her a new dress. It was really nice. But after she tried it on, she couldnt help shouting,“ If only I were8 a little thinner! How I wish I

24、 hadnt eaten9so much junk food before!” Were I Mary, I would make10a weight loss plan. If I became overweight in the future, I would do11 sports every day. Now it is high time she changed12 her lifestyle. Without a healthy lifestyle, she wouldnt be13 able to lose weight. I would rather she went14swi

25、mming with me, but she insists that water sports are15 not suitable for her. So (should) walk16to school. 熟读深思熟读深思 1. 在在as if/ as though, even if/even though引导的引导的状语从句或表语从句中，与现在事实相反时，状语从句或表语从句中，与现在事实相反时，从句的谓语动词用一般过去时；与过去事实相从句的谓语动词用一般过去时；与过去事实相反时，从句的谓语动词用过去完成时。反时，从句的谓语动词用过去完成时。2. 表示与现在事实相反的假设，表示与现在事实

26、相反的假设，if 从句的谓语从句的谓语动词用一般过去式，动词用一般过去式，(be一般用一般用were)，主句的，主句的谓语用谓语用would/ should/ could/ might +动词原形。动词原形。3.5.在在insist, order, command, suggest, advise, propose, demand, require, request, ask等后面的等后面的宾语从句的谓语动词用宾语从句的谓语动词用“should+动词原形动词原形”，其中的其中的should可以省略。在可以省略。在suggestion, advice, order, command, deman

27、d, requirement, request等名词后面的表语从句或同位语从句中，谓语等名词后面的表语从句或同位语从句中，谓语动词用动词用“should+动词原形动词原形”， 其中的其中的should可可以省略。以省略。6. 错综条件句：有时错综条件句：有时if 从句中的动作与主句动作从句中的动作与主句动作发生的时间不一致，这时动词的形式应根据他们发生的时间不一致，这时动词的形式应根据他们表示的时间加以调整。本句的虚拟条件句与过去表示的时间加以调整。本句的虚拟条件句与过去事实相反，主句与现在事实相反。事实相反，主句与现在事实相反。 7. 表示与过去事实相反的假设，表示与过去事实相反的假设，if

28、 从句的谓语形从句的谓语形式用过去完成时，即式用过去完成时，即“had过去分词过去分词”，主句，主句用用“would /should/could / might + have +过去分过去分词词”。89. 在表示愿望的动词在表示愿望的动词wish后的宾语从句和后的宾语从句和 If only（但愿）引出的句子中（但愿）引出的句子中, 需用虚拟语气。表需用虚拟语气。表示与现在事实相反，从句或示与现在事实相反，从句或if only后的句子的谓后的句子的谓语动词用一般过去时；与过去事实相反，从句或语动词用一般过去时；与过去事实相反，从句或if only后的句子的谓语动词用过去完成时。后的句子的谓语动词

29、用过去完成时。10. 如果如果if 从句中含有从句中含有were, had或或should, 可将可将if 省略，然后将省略，然后将were, had或或should提前至主语前。提前至主语前。即从句可用半倒装。即从句可用半倒装。11. 表示与将来事实相反的假设，表示与将来事实相反的假设，if从句的谓语形从句的谓语形式用一般过去式，或用式用一般过去式，或用“were to / should +动词动词原形原形”，主句用，主句用“would / should /could/ might +动词原形动词原形”。12. 在在It is (high) time that 后的从句中，后的从句中， 谓语

30、动谓语动词用词用“should(不能省略不能省略)+动词原形动词原形”或一般过去或一般过去时都可以。时都可以。13. 含蓄条件从句：用连词含蓄条件从句：用连词otherwise, or，but或或用介词用介词but for, without等暗示前面的条件。与现等暗示前面的条件。与现在事实相反，谓语动词用一般过去时；与过去事在事实相反，谓语动词用一般过去时；与过去事实相反，谓语动词用过去完成时。其中介词实相反，谓语动词用过去完成时。其中介词but for, without表示的虚拟语气，表示的虚拟语气， 可和可和if 引导的假设引导的假设条件状语从句替换。条件状语从句替换。14. would

31、(had) rather , would sooner用来表达用来表达主观愿望，它们之后的宾语从句中需用虚拟语主观愿望，它们之后的宾语从句中需用虚拟语气。谓语动词用过去式表示现在或将来，用过气。谓语动词用过去式表示现在或将来，用过去完成式表示与过去事实相反。去完成式表示与过去事实相反。15. 在动词在动词insist表表“坚持认为，坚持说坚持认为，坚持说, 坚持某坚持某种说法种说法”； suggest 表表“暗示，表明暗示，表明”时，后面时，后面的从句不用虚拟语气。的从句不用虚拟语气。16. 在在it is necessary (important, natural, strange, sur

32、prising) that 引导的主语从句中，主语从句中引导的主语从句中，主语从句中的谓语动词用的谓语动词用“should+动词原形动词原形”。一、虚拟语气在条件状语从句中一、虚拟语气在条件状语从句中条件从句 If 从句主句现在过去未来did / werehad donewould/could/should/might +V.(原原)would/could/should/might+have+p.p.1. did / were2. should do3. were to dowould/could/should/might + V.(原原)A. 1. If I were the headmas

33、ter, I would improve the school canteen. 2. If I had a lot of money, _.B. 1. If it _(rain) tomorrow, we couldnt have our PE lesson outside. 2. If I _(meet) him, I would tell him the good news.C. 1.Jack was late this morning and was punished by his boss. If he had caught the first bus, he wouldnt hav

34、e been late. 2.Tom was caught in the rain, so he got a fever. If he hadnt caught in the rain, he wouldnt have got a fever. 注意：1. 省略连词if。在书面语中，如果虚拟条件从句中有助动词或情态动词were，had或或 should，可以把if省略，把这几个词放到主语之前，构成主谓倒装。 Should he come (If he should come)，tell him to ring me up. 他要是来了，让他给我打个电话。 Were I you (If I we

35、re you)，I would not do it. 我要是你，就不做这事。 2. 总结：总结：_ 介词短语、分词短语、独立主格代替条件从句介词短语、分词短语、独立主格代替条件从句 If it had not been for his help, we would not have succeeded. = But for/ without his help, we would not have succeeded. If we had known in time, we could have stopped it. = Having known in time, we could have

36、stopped it. 3. 总结：总结：_ 副词或连词表示虚拟副词或连词表示虚拟 He did his best in everything; _ he would not have been what he was. A. and B. but C. otherwise D. but thatCIf it _(rain) last night , it _ (be) very cold today .二、错综时间虚拟语气二、错综时间虚拟语气had rainedwould be注意：题目的提示语注意：题目的提示语时间状语时间状语Ex:1.If you _(follow) the doctor

37、s advice, you _(be) right now.2.If you _(follow) the doctors advice, you _(be) right then.had followedwould behad followedwould have been三、虚拟语气特殊句型三、虚拟语气特殊句型1.wish+从句从句现在：现在：过去：过去：未来：未来：did/werehad donewould/could/might+V. 2.If only+句子句子(好像好像) 现在：现在：过去：过去：未来：未来：did/werehad donewould/could/might+V. 3

38、.as if /though+从句从句现在：现在：过去：过去：未来：未来：did/werehad donewould/could/might+V. (希望希望) (要是要是就好了就好了) 4.would rather+(that)从句从句did/ were现在：现在：过去：过去：未来：未来：did/ werehad done5.坚持坚持/ 命令命令/ 建议建议/ 要求要求 +sb. (should) doinsist/ order, command/ advise, suggest, propose/ demand, require, request, desire6.Its (about/h

39、igh) time +that(是是/正是正是的时侯了的时侯了)didshould +V.注意注意: suggest/ insist后接事实时后接事实时, 不用虚拟。不用虚拟。I insist that he _ ( tell) a lie, for he looked uneasy then.told(宁愿宁愿) 7. Its necessary/important/ strange/ natural/ impossible/essential that sb. (should) do四、虚拟语气与广东高考四、虚拟语气与广东高考1. 语法填空：谓语动词在语法填空中每年考一题。我们语法填空：谓

40、语动词在语法填空中每年考一题。我们在做语法填空题时，一旦判断所给动词在句中作为谓语在做语法填空题时，一旦判断所给动词在句中作为谓语后，就需考虑其后，就需考虑其_等。等。在近年广东高考中有一个小题涉及虚拟语气：在近年广东高考中有一个小题涉及虚拟语气：1. (2012年年)He walked in as if he 17 _(buy) the school.解析：在主格人称代词解析：在主格人称代词he后，显然是作谓语；又因一个后，显然是作谓语；又因一个学生的他不可能是买下了这个学校，故应当用虚拟语气，学生的他不可能是买下了这个学校，故应当用虚拟语气，与过去事实相反，故填与过去事实相反，故填had

41、bought。2. 虚拟语气有时在高考写作中也会用到。虚拟语气有时在高考写作中也会用到。如如2009年高考读写任务要点年高考读写任务要点(2)“假如你处在那些动物的处假如你处在那些动物的处境境, 你会有什么反应你会有什么反应”，写这个要点时就需要用到虚拟，写这个要点时就需要用到虚拟语气。可以这样开头：语气。可以这样开头：If I were an animal in the wildlife park, I would feel annoyed when people keep photographing with me. （如果我是野生动物园的动物（如果我是野生动物园的动物, 当人们不停地同我

42、当人们不停地同我拍照时拍照时, 我会感到恼怒）。我会感到恼怒）。时态、语态、语气、主谓一致时态、语态、语气、主谓一致1. If it _ (not be) for the heavy rain, we _ (climb) the Mount Taishan yesterday.2. Without electricity, human life _ (be) so easy today.3. Without the air to hold some of the suns heat, the earth at night _(be) freezing cold, too cold for us

43、 to live.4. _it_ (not be) for the free tickets, I would not have gone to the films so often.5._(be)I you, I wouldnt spend so much money on clothing.Had not been had not been would have climbed would not be would beWere 五巩固练习五巩固练习1) 单句填空单句填空6. _ it rain tomorrow, we would have to put off the visit to

44、 the Yang Pu Bridge. 7. He hesitated before kicking the ball；otherwise he _ (score) a goal.8. Yesterday Jane walked away from the discussion. Otherwise, she _ (say) something she would regret later.9. If it had been possible, I would have helped him, but I _ (be) so busy then.Should would have score

45、d would have said was10. It is time that they _ (have) dinner and wed rather we _ (dine) out. 11. If she had been warned earlier, she _ (not break) the rules.12. I would love _ _ _(go) to the party last night, but I had work extra hours to finish the report.13. If you had followed (follow)my advice

46、just now, you _ (be) fine now. would beto have gone had/should have dined would not have broken14. He hesitated for a moment before kicking the ball, otherwise he_ (score) a goal.15. The firefighters _ (arrive) in time, otherwise the house on fire would not have been saved. 16. Without the air to ho

47、ld some of the suns heat, the earth at night _ (be) freezing cold, too cold for us to live. 17. English teachers give advice that we _ _ (make) good use of every chance to speak English. would have scoredwould bearrived should make18. How I wish every family _ (have) a large house with a beautiful g

48、arden!19. Janes pale face suggested that she _ (be) ill, and her parents suggested that she _ (have) a medical examination. 20. It is necessary that we _ (learn) English well.21. She often laughed spontaneously (自发地自发地), and her good humor breaks out brightly as is it _ (be) a part of the sunshine a

49、bove. hadwas should havelearnwere二二) )、语篇填空、语篇填空 Tom and Peter are twins. They look as if they 1 _(be) the same person. Both the two boys are smart, but Tom is hard-working while Peter is lazy. Tom always wins the first place in the exams, which suggests that he 2 _(be) hard-working. Peter could do

50、better, 3 _ he doesnt want to work hard. People believe if Peter 4 _(work) as hard as Tom, he would do as well as his brother in his study.were is but worked At home, their parents make a suggestion that they 5 _(do) the dishes in turn and insist that they 6_ (finish) their homework before playing c

51、omputer games. But Peter insists that it 7 _(be) also OK to play games first as long as he can hand in his homework in time. Their mother gives in in the end. One day, when doing his homework, Tom found he made a serious mistake. So, he put the exercise-book aside and used another one. should do sho

52、uld finish is When Peter found the previous exercise-book, he struck out Toms name and signed his name on its cover happily, and handed it in as his own homework the next day.When the teacher told the truth to the twinsMother, she kept silent first but her expression suggested that she 8 _(be) angry

53、. Later, she shouted at Peter: “How I wish you 9 _(be) as diligent as your brother! Now its time that I 10 _ (give) you a good lesson. was were gave And I insist that you 11 _( not play) any computer games for a whole month too. Remember to do as I ask you to, 12 _, you would be forbidden to touch t

54、he computer for a year!” “Oh, no! Mom. 13 _computer for such a long time, I would die. I would rather you 14 _(ask) me to do the dishes for a month alone.” Peter was upset. “If you 15 _ (finish) your homework on time yesterday, you wouldnt be punished now.” said the mother.should not play or/otherwi

55、se without asked had finished 汤姆和彼特虽是长处像同一个人且都很聪明汤姆和彼特虽是长处像同一个人且都很聪明,但学习上却一勤一懒但学习上却一勤一懒, 各不相同各不相同, 甚至有一次还因甚至有一次还因彼特懒惰彼特懒惰, 投机取巧投机取巧, 闹出笑话。闹出笑话。1. were 因因as if引导的表语从句是与现在事实相反引导的表语从句是与现在事实相反的情况的情况, 从句谓语用一般过去时从句谓语用一般过去时, be一般用一般用were。2. is 因因suggests表示表示“表明，说明表明，说明”，其后的宾，其后的宾语从句的谓语动词用陈述语气。语从句的谓语动词用陈述语气

56、。3. but 因因“本来可以做得更好本来可以做得更好”与与“不愿努力学不愿努力学”是转折关系。是转折关系。4. worked 因因if表示与现在事实相反的假设，从句表示与现在事实相反的假设，从句谓语用一般过去时。谓语用一般过去时。5. should do 在表示在表示“建议建议”的的suggestion后的同后的同位语从句中，谓语动词用位语从句中，谓语动词用should do。6. should finish 在在insist表示表示“坚决要求坚决要求”时时, 其其后的宾语从句的谓语动词用后的宾语从句的谓语动词用“should+动词原动词原形形”。7. is 该句的该句的insists表示表示“坚持认为坚持认为”，其宾语从，其宾语从句的谓语动词用陈述语气。句的谓语动词用陈述语气。8. was 因因suggested作作“表明，说明表明，说明”解，其宾解，其宾语从句的谓语动词用陈