情态动词练习题答案.doc

精选练习 情态动词1You_read that article if you dont want to Ahavent Bcant C. mustnt Dneednt2I_get this done immediately or it will be too late A. must Bcan Cmay Dmight3The house is dark；the Browns_ to bed Amay go Bshould go Cshould have gone D. must have gone4“That car must have cost a 1ot of money.” “Oh，no，_.” Ait mustnt Bit hasnt Cit doesnt Dit didnt5. I _asleep in the corner，for 1 remember nothing of what happened during the night Amight fall B. must fall Cmust have fallen D. can have fallen6Im feeling sickI_so much chocolate Aneednt have eaten B. couldnt have eaten Cmustnt have eaten Dshouldnt have eaten7. My wallet is nowhere to be foundI_when 1 was on the bus Amust have dropped it Bmust drop it C. should have dropped it Dought to have dropped it8MrGreen_my letter，otherwise he would have replied before now Amust have received Bmust have failed to receive Cmust receive D. must fail to receive9. You could have done much better yesterdayWhy_? Adidnt you Bcouldnt you C. hadnt you Dshouldnt you10They have done things they ought_ Anot to do B. not to be done Cnot to have done Dnot having done11. You had better_a doctor as soon as possible Aseen Bsaw Csee Dseeing12I believe he_an accidentotherwise he would have arrived on time Awould have had B. could have had Cshould have had Dmust have had13Something must have happened on their way hereOr they_by now Ashould have arrived Bshould arrive Cwould have arrived Dwould arrive14. “Are you coming to Jeffs party?” “Im not sure. I _ go to the concert instead.” Amust B. would Cshould Dmight15“Will you stay for lunch?” “Sorry_My brother is coming to see me” AI mustnt B. I cant CI neednt DI wont16“I heard they went skiing in the mountains last winter” “It _true because there was little snow there.” Amay not be Bwont be Ccouldnt be Dmustnt be17“Shall we go skating or stay at home?” “Which _do yourself?” Ado you rather B. would you rather Cwill you rather Dshould you rather18I was really anxious about youYou_home without a word Amustnt leave Bshouldnt have left C couldnt have left Dneednt leave19Someone is coming hereWho_it be? Awill B. shall Cmust Dcan20May I stop here? No，you_ Amustnt B. might not Cneednt Dwont15DADDC 610DABAC 1115CDADB 1620CBBDA练习解析 1本句意为：如果你不想，你读那篇文章。A表示“没有读”，B表示“不能读”，C表示“一定不能读”，显然都不符合句意。选D，意为“不必读”。 2本句意为：我把这件事立即做完，否则就太晚了。B表示“能”，C表示“可以”，D表示“也许”，意思都不对。选A，表示“我必须把这件事立即做完，否则就太晚了”。 3本句意为：房间是黑的，布朗一家(定冠词the+姓氏的复数，表示一家人)肯定已经睡觉了。go to bed(上床睡觉)这个动作应该在说话前就发生了，是对过去发生的动作表示推测，用must+have done，应该选D。 4must have done表示对过去的事情的肯定推测。本句意为： “那辆车肯定花了不少钱。”“不，。”按照意思推理应该是“没有花很多钱”，应该用过去时态。it didnt cost a lot of money，省略相同的部分应该为it didnt。选D。 5从for引导的原因状语从句判断，“我一点都记不得那天晚上发生的事了”前面的主句应该是“我肯定是在角落里睡着了”。对过去发生动作的肯定推测，用must have done，选C。 6本句意为：“我感到恶心”。“我不该吃这么多巧克力”。表示不该做某事但却做了，应该用shouldnt have done。选D。 7本句意为：我的钱包到处都找不到。肯定是在车上的时候，我把它弄掉了。对过去情况的肯定推测，用must have done，所以选A。 8本句意为：格林先生我的信，否则他应该已经回信了。据此可以判断，格林先生没有收到我的信，排除A，C。这里是对过去有没有收到信进行推测，应该用must have done所以选B。fail to do表示“做某事不成功”。 9could have done表示过去能够，但却没有做到。本句意为：你昨天本来能做得更好。为什么没有做到呢?如果用完整的句子是：Why didnt you do much better yesterday?省略形式为Why didnt you?选A。 10本句意为：他们做了他们不应该做的事。表示不该做而做了，应该用shouldnt have done或ought not to have done，选C。 11had better do表示“最好做某事”，选C。 12本句意为：我觉着他肯定是出事了，否则他会准时到的。对过去发生的情况进行推测，用must have done。选D。 13本句意为：他们在路上肯定出什么事了。否则他们现在应该到了。表示应该发生而没有发生，用should have done。选A。 14本句意为：“你来参加杰夫的晚会吗？”“我不能确定。我去听音乐会。”既然是Im not sure(我不能确定)那么后面应该是“我也许会去干什么”。“也许”应该用might。这里，might不是may的过去式，只是表示更不太可能发生的事。选D。 15根据语境“我的哥哥要来看我”说明“不是我不愿意，而是我不能那样做”。再者，当will用于第二人称提问的问句中，表达的是一种请求，其肯定回答可用surecertainlyId be glad to等；否定回答常是Im sorry I cantId like to，but等。选B。 16根据句意，这是对“过去不可能去滑雪”的推测，应该用couldnt，表示否定推测“不可能”。选C。 17would rather do表示宁愿”，疑问句中would可以提到主语前面，选B。 18本句意为：我真的为你感到着急。你不应该不说一声就走了。表示过去不应该做而做了，应该用shouldnt have done，选B。 19本句意为：有人朝这边走来了。可能是谁呢?表示推测，又是在疑问句中，用can，选D。注意：must表推测用在肯定句中。 20may开头的疑问句，否定回答常用mustnt，表示“一定不行”，语气很强，选A4