2012届高三英语第二轮复习考点 第5讲 单项选择——情态动词精讲精炼

用心 爱心 专心 1 20122012 届高三英语第二轮复习考点精讲精炼届高三英语第二轮复习考点精讲精炼 第第 5 5 讲讲 单项选择单项选择 情态动词情态动词 情态动词的词义辨析 情态动词在情景交际中的用法情态动词 have 过去分词结构 情 态动词的一些习惯用法含有情态动词的反意疑问句 延边延边 F F 经典易错题会诊经典易错题会诊 延边延边 F F 命题角度命题角度 l l 延边延边 F F 情态动词的词义辨新情态动词的词义辨新 1 延边延边 F F 典型例题精选 If it were not for the fact that she sing I would invite her to the party A couldn t B shouldn t C can t D might not 延边延边 F F 考场错解考场错解 A 延边延边 F F 专家把脉专家把脉 本题考查情态动词的基本意义和用法 couldn t 是 call t 的过去式 有 不能 不可能或不可以 之意 shouldn t 不应该 might not 不可能 句 中 if 引导的是虚拟语气 故 A 不对 延边延边 F F 对症下药对症下药 C 2 延边延边 F F 典型例题精选 Some aspeets of a pilot s job be boring and prilots often work at inconvenient hours o A can have to B may can C have to may D ought to must 延边延边 F F 考场错解考场错解 B 延边延边 F F 专家把脉专家把脉 本题的解题思路要从情态动词的基本意义和用法开始 按照情景 飞行员的工作的某些方面可能是令人厌烦的 而且他们经常不得不在很不方便的情况下工 作 延边延边 F F 对症下药对症下药 A 3 延边延边 F F 典型例题精选 The World Wide Wed is some times jokingly called the World Wide Wait because it be very slow A should B must C will D can 延边延边 F F 考场错解考场错解 C 延边延边 F F 专家把脉专家把脉 本题考查 can 在肯定句中的用法 can 常用于否定句 疑问句 中表推测 但也可用于肯定句中表 一时的可能性 延边延边 F F 对症下药对症下药 D 4 延边延边 F F 典型例题精选 The interest be divided into five parts according to the agreement made by both sides declared the judge A may B should C must D shall 延边延边 F F 考场错解考场错解 B 或 C 延边延边 F F 专家把脉专家把脉 句意为 法官宣布 按照双方协议 利息被分作五个部分 法官宣布的决定有法律效力 不得违背 而且表示说话人 及其所代表的一方 的决心 意志 允诺等 shall 用于第二 三人称时 有此用法 must 可译作 必须 但只是一种主观要 求 不具备 shall 的毋庸置疑的决定口气 延边延边 F F 对症下药对症下药 D 5 延边延边 F F 典型例题精选 John look at the time you play the piano at such a late hour 用心 爱心 专心 2 A Must B Can C May D Need 延边延边 F F 考场错解考场错解 B 延边延边 F F 专家把脉专家把脉 A 项意思是 干嘛 偏要 硬要 指做令人不快的事 B 项 能 可能 c 项 可以 D 项 有必要 根据题干 看看时间吧 你干嘛要这么晚弹钢琴 延边延边 F F 对症下药对症下药 A 延边延边 F F 专家会诊专家会诊 情态动词的基本用法 I can could 1 延边延边 F F 表示体力或脑力方面的能力 或根据客观规律能做某事的能力 意思是 能 够 can 表 能够 时 既可指将来 也可指现在 be able to 在表示能力时与 can 同义 但可用于各种时态 强调通过努力克服困难成功地做成某事 相当于 managed to do 或 succeeded in doing 如 No one can is able to finish such a difficult thing He can speak English I can go there now With the help of the firemen the trapped peopie was able to leave the burning building 不能用 could 2 延边延边 F F 表示许可 允许 在疑问句中表示 请求 许可 否定句中表示 不许 此时可与 may 通用 有时 cannot 可以表示 禁止 相当于 mustn t 如 May Can I help you That sort of thing can t go on You can t mustn t are not allowed to play computer games again 3 延边延边 F F 表示推测 强调客观可能性 可能 会 Call 多用于疑问句和否定句 表示猜测时 情态动词后可用进行式或完成式 如 There comes a man Who can it be No it can t be him He has gone to Ameri ca He can t have gone there alone 4 延边延边 F F could 表示 能力 可能性 许可 为 earl 的过去式 一般用于委婉 客气地提出问题或陈述看法 此时 can could 并没有时间上的差别 只是 could 的语气更 客气些 回答时用原形回答 如 Could I borrow your English dictiy Of course you Call Go ahead If may might might 为 may 的过去式 1 延边延边 F F 表示许可 有 可以 的意思 询问一件事可不可以做 有时可以与 can 互 换 其否定式 may not 表示 不可以 禁止 阻止 等 常用 must not mustn t 代替 may 用于疑问句中 回答这种问题时 多避免用 may 而用其他形式 以免显得口气太严峻 或不客气 如 Mum may I go to the cinema tonight Yes you may No you mustn t you d better not 比较 Yes please please don t 2 延边延边 F F 表推测 或许 可能的意思 表示一件事或许会发生 只用在陈述句中 如 Her parents may come to see her tomorrow 3 延边延边 F F may 句式用来表示祝愿 如 用心 爱心 专心 3 May you succeed I hope you may succeed May you be happy healthy and wealthy 4 延边延边 F F might 是 may 的过去式 表示可以做的事或可能发生的事 主句谓语动词 是过去时态时用 might 不用 may might 一般用于比 may 的口气委婉 或表示现实的可能性 更小一些的语境中 如 Our teacher suggested a few books which I might buy I wonder if I might buy some sugar now m must 和 have to 1 延边延边 F F 表示必须要做的事 意为 必须 否定式 mustn t 表示 不应该 不 许可 禁止 等 因此 在回答带有 must 的问句时 不用 mustnIt 而用 needn t 或 don t have too 如 Must I hand in the paper now Yes you must No you needn t you don t have to 2 延边延边 F F must 在表示 必须 时与 haveto 相近 have to 比较强调客观的需要 must 着重主观看法 另外 must 不像 haveto 那样能有更多的时态 如 Tom you must stay 8thome 命令或叮嘱 I have to stay at home to look after my baby 客观需 要 3 延边延边 F F 表推测 暗含很大的可能性 意为 一定 只用于 肯定句 中 如 I think there must be a mistake 4 延边延边 F F 偏偏 硬要 干嘛 指做令人不快的事 如 Hey boys Must you shout so loudly slmll 的用法要点 1 延边延边 F F 用于二 三人称陈述句中 表示说话人给对方的命令 许诺 警告 强制 威胁 决心等 在疑问句中 表示征询听话人是否愿意 如 You shall have my answer tomorrow 允诺 He shall be sou y forit oue day I tell you 警告 You shaU do a8 l tell you 命令或吩咐 Shall you go with me 征询意见 2 延边延边 F F 用于一 三人称的疑问句中 表示说话人征求对方的意见和向对方请示 如 Shall we begin our class When shall my father be able to leave hospital V should 和 ought to should 表示劝告 建议常作 应当 讲 与 ought to 有时可互换 ought to 更注重一 些责任义务 should 表示预测可能性 并译作 可能 按道理 应该 而 ought 协则表示 非常可能 should 用于委婉 谦逊地提出意见或建议 ought to 可表示因责任 义务等该 做的事 如 We should foughtto help each otherinwork ought 协的语气要强 They should come here now 按道理应该到了 I am your teacher lought to hdp with your study 表示有这个责任 win 和 would will 可以表示意愿 意志和决心 适用于各种 人称 可以用来表示各种倾向或习惯动 作 有时还用来表示 难免 其过去式是 would 也可以是单独的情态动词 在表示委婉提 出请求 建议或看法时 语气比 will 委婉 肯定的回答时用 willo 如 Don t worry He will do his best Where there is a will there will be a success 表示习惯 Accident will happen 难免 Would you please do me a favor 用心 爱心 专心 4 延边延边 F F 考场思维训练考场思维训练 1 延边延边 F F Coffee be drunk while it is hot A shall B must C will D ought to 1 D 解析 这里 ought to 表示 劝告或推荐 2 延边延边 F F Tell him that he have the book tomorrow after noon A shall B will C need D dare 2 A 解析 从句意判断 表示了 我 的承诺 shall 用于第二 三人称表示 允诺 命令 警告 的含义 3 延边延边 F F I lived with my uncle this summer and I didn t have to pay rent So I save most of my salary A could B would C was able to D should 3 C 解析 Was able to 表示 能够做什么而且已经做成 延边延边 F F 命题角度命题角度 2 2 延边延边 F F 情态动词在情景交际中的用法情态动词在情景交际中的用法 1 延边延边 F F 典型例题精选 Lucy doesn t mind lending you her dic tionary She I ve already borrowed one A mustn t B may not C can t D needn t 延边延边 F F 考场错解考场错解 A 延边延边 F F 专家把脉专家把脉 前句是说 Iaicy 不介意把字典借给你用 后者说 我已经借了 一本 所以是没有必要了 填 needn t 符合语境 延边延边 F F 对症下药对症下药 D 2 延边延边 F F 典型例题精选 There s no light on they be at home A can t B mustn t C needn t D shouldn t 延边延边 F F 考场错解考场错解 D 延边延边 F F 专家把脉专家把脉 本题考查情态动词表示推测的 用法 根据句意 灯没亮 他们 不可能在家 表示否定推测 只能用 can t 误选 D 是受了汉语的影响 延边延边 F F 对症下药对症下药 A 3 延边延边 F F 典型例题精选 What a shame You didn t seize such a good chance I that job when it was offered A should take B would take C must have taken D should have taken 延边延边 F F 考场错解考场错解 A 或 c 延边延边 F F 专家把脉专家把脉 根据首句 真遗憾 你没抓住这次机会 可知 下文应是本应做 而没做 情态动词应用 should 加完成结构 延边延边 F F 对症下药对症下药 D 4 延边延边 F F 典型例题精选 The work will take me another week I m really tired I think you as well consult an experienced worker A may B can C need D must 延边延边 F F 考场错解考场错解 B 延边延边 F F 专家把脉专家把脉 may might as well 是固定用法 表示 最好 不妨 用心 爱心 专心 5 无妨 延边延边 F F 对症下药对症下药 A 5 延边延边 F F 典型例题精选 How much shall I pay for the phone call You This free of charge A shouldn t B can t C don t have to D must 延边延边 F F 考场错解考场错解 D 延边延边 F F 专家把脉专家把脉 根据句意 你没必要付电话费 r6don t have to need not 延边延边 F F 对症下药对症下药 C 延边延边 F F 专家会诊专家会诊 情态动词中三组表达方式的用法区别 1 would 与 used to 的区别 在表示过去重复的 习惯时 used to 可用 would 代替 used 幻强调过去的行为同现在的对比 含有 过去怎样 而现在却不这样了 的含义 而 would 则单纯表示过去的习惯动作 常与 often every clay 连用 当只是表示过去的状态时 只能用 used too 如 They would have a drink in the bar at noon They used to have a drink in the bar at noon 现在可能不了 He used to be a very strong man 不能用 would 现在可能不强壮了 China is not what it used to be 表示对比 不能用 would Every evening she would sit in front of the door to wait for her son 表示过去的习惯动作 不能用 USed to There used to be a temple on the too of the mountain 表示过去的状态 不能用 would 2 延边延边 F F 表示 宁愿做某事 时 有下列句式结构 would rather do something would rather do something than do something would do sth rather than do sth would rather sb did sth prefer to do sth prefer to do sth rather than do sth prefer doing sth to doing sth 3 延边延边 F F 情态动词否定式所表达的含义 may not might not 或许不 可能不 can t cannot be not able to 不能够 can t can not 不可能 may not can t can not mustn t be not allowed to 不许可 needn t don t have to 不必 用心 爱心 专心 6 shotddn t oughtn t to be not supposed to 不应该 延边延边 F F 考场思维训练考场思维训练 1 延边延边 F F Can I tell my best friend about it No I don t want anyone else to know it You keep it to yourself A can B need C must D may 1 c 解析 后者的意思是不想别人知道 当然是 必须 了 2 延边延边 F F Would you like to have a taxi No I walk there It s such a lovely day A can B ought to C had better D would rather 2 D 解析 从 It s such a lovely day 来看是 更愿意走到那儿 3 延边延边 F F Mum why are you here I ve brought your camera I thought you use it A can B should C might D will 3 C 解析 用 might 表示某种可能性 延边延边 F F 命题角度命题角度 3 3 延边延边 F F 情态动词情态动词 have have 过去分词结构过去分词结构 1 延边延边 F F 典型例题精选 The woman biologist stayed in Mrica stud ying wild animals for 13 years before she returned Oh dear She a lot of difficulties A may go through B might go through C ought to have gone through D must have gone through 延边延边 F F 考场错解考场错解 C 或 A 延边延边 F F 专家把脉专家把脉 按照语境是对过去可能发生事情的一种猜测 而表示现在的事情 选项 C 表示 应该做的事情而没有做 的责备 延边延边 F F 对症下药对症下药 D 2 延边延边 F F 典型例题精选 Catherine I have cleaned the room for you Thanks You it I could manage it myself A needn t do B needn t have done C mustn t do D shouldn t have done 延边延边 F F 考场错解考场错解 A 延边延边 F F 专家把脉专家把脉 本题考查情态动词的各种时态的含义 一是要弄明白各情态动词 间的区别 二是要弄明白情态动词不同时态表达形式间的区别 needn t do 不必做 needn t have done 本不必做某事 实际上已经做了 mustn t do 不准做 表禁止 命令 shouldn t have done 本不应该做 实际上已经做了 延边延边 F F 对症下药对症下药 D 3 延边延边 F F 典型例题精选 I stayed at the Futong Hotel while in Shanghai Oh did you You with Baixue A could have stayed B could stay C would stay D must have stayed 延边延边 F F 考场错解考场错解 D 延边延边 F F 专家把脉专家把脉 题干中 did you 这个信息说明了是一个表示疑问语气的句子 而 D 用心 爱心 专心 7 项是表示对过去事实的肯定推测 所以是错误的 could have done 表示 应该 可以 做的 事但是没有做 符合语境 延边延边 F F 对症下药对症下药 A 4 延边延边 F F 经典题 Oh I m not feeling well in the stomach I so much fried chicken just now A shouldn t eat B mustn t have eaten C shouldn t have eaten D mustn t eat 延边延边 F F 考场错解考场错解 B 延边延边 F F 专家把脉专家把脉 just now 是表示过去的时间状语 情态动词在表示过去发生的事 时 必须用 情态动词 have 过去分词 结构 所以只能在选项 B 或 C 中来确定答案 mustn t have eaten 是一个错误选项 因为 mustn t 动词表示 禁止 不表示判断或推 测 全句意为 噢 我觉得胃不舒服 我刚才不应该吃那么多炸鸡 延边延边 F F 对症下药对症下药 C 5 延边延边 F F 典型例题精选 Do you know where David is I couldn t find him anywhere Well He have gone far his coat is still here A shouldn t B mustn t C can t D wouldn t 延边延边 F F 考场错解考场错解 B 延边延边 F F 专家把脉专家把脉 根据后文 他的外套还在这儿 应该是不会走远 can t have done 表示一种肯定语气的推测 延边延边 F F 对症下药对症下药 C 6 延边延边 F F 典型例题精选 I was on the high way when this car went past followed by a police car They at least 150 km an hour A should have been doing B must have been doing C could have done D would have done 延边延边 F F 考场错解考场错解 C 延边延边 F F 专家把脉专家把脉 本题是对过去发生事情的一种猜测 同时还强调警察追赶他时正 在发生的情况 所以选 B 延边延边 F F 对症下药对症下药 B 延边延边 F F 专家会诊专家会诊 小结 情态动词 have 过去分词 用法 1 延边延边 F F must have done 表示对过去已经发生的行为进行推测 意思是 想必 准 是 一定做了某事 如 It must have mined last night for the ground was quite muddy The lights were out They must have been asleep 2 延边延边 F F may might have done 表示对过去已经发生行为的推测 意思是 也许 或 许 已经 没有 一般只用于肯定句或否定句中 不用于疑问句 用 lnight 则表示语 气更加不肯定 如 It s too late I think he may have gone to bed He may not have finished the work She might have caught a cold 3 延边延边 F F might have done 表示 本来可能 但实际上没有发生的事情 还可 以表示 本来应该或可以做某事 的意思 有轻微的责备语气 用心 爱心 专心 8 如 You should not have swum in that river You might have been eaten by fish You might have given him more help though you were busy 4 延边延边 F F could have done 用于肯定句中 表示 可能已经 的意义 也可以表 示过去没有实现的可能性 意思为 本来可以 如 You could have done better but you were too careless I went to New York last summer and stayed at a hotel but I could have stayed with my brother I saw his father just now He couldn t have gone to Shanghai 5 延边延边 F F should ought to have done 用于肯定句时 表示本该做某事 但实际上没 做 用于否定句时 则表示不该做的事反而做了 如 You should ought to have come to the meeting earlier He ought not to have treated his parents like that 6 延边延边 F F needn t have done 表示本来不必去做的事但做了 但是 didn t needto 表示 没有必要做而实际上也没有做 如 You needn t have taken a taxi here for it was very near to my house I didn t need to clean the room My mother did it 7 延边延边 F F can have done 和 can not have done 表示对过去发生的行为的怀疑和不 肯定 如 He can not have taken away the magazine Can he have gone home 延边延边 F F 考场思维训练考场思维训练 1 延边延边 F F I saw Mr Smith at the West Beijing Station this morning You He s still on holiday in Hawaii A couldn t have B mustn t have C shouldn t D needn t 1 A 解析 完整结构是 You couldn t have seen Mr Smith 表示对过去发生的动 作的否定推测 2 延边延边 F F Did you walk all the way home by yourself Yes I did But I guess I A needn t B needn t have C shouldn t D may not have 2 B 解析 表示过去做了没有必要做的事 3 延边延边 F F Lucy have been to Mary s wedding They are the best friends But she for some reason because Mary asked us why Lucy had missed her wedding A would couldn t B should can t C must wasn t able to D must might not 3 c 解析 前者表示对 过去 的肯定推测 后者指 过去 没 能去 延边延边 F F 探究开放题解答探究开放题解答 延边延边 F F 综合问题综合问题 1 1 延边延边 F F 情态动词的一些习惯用法情态动词的一些习惯用法 1 延边延边 F F We wait for a bus to get to the station since we are not 用心 爱心 专心 9 in a hurry A might well B might as well C could well D should as well 延边延边 F F 解答解答 B 延边延边 F F 规律总结规律总结 may weu 和 may IigIlt as well 后都接动词原形 是一种常用结构 may well 动词 原形相当于 to be likely to 意为 完全 能 很可能 may might as well 动词原形 相当于 had better 或幻 have no strong reason not to 意为 最好 不妨 o 例如 You my well be proud of your daughter 你大可为女儿骄傲 You may well not recognize her for she has changed a lot 她变化太大了 你 很可能认不出她 You may as well stay here over the night 你最好留在这里过夜 silice it s a fine day wemight as wellwalk 既然是好天气 我们不妨走走 除此之外 cannot too enough 表示 无论怎么 也不过分 越 越好 cannot but do sth 表示 不得不 只好 的含义 例如 You tmnnot be too careful 你怎么小心也不过分 你越小心越好 Youo an not rememberenou English words 你记的英语单词越多越好 I could not but admire your bravery 我不得不钦佩你的勇气 延边延边 F F 综合问题综合问题 2 2 延边延边 F F 含有情态动词的反意疑问句含有情态动词的反意疑问句 1 延边延边 F F Better go to see my sick colleague right now A hadn t B didn t C don t D won t 延边延边 F F 解答解答 A 延边延边 F F 规律总结规律总结 had better 是特殊形式的情态动词 可以缩写成 better 其反意疑问句都由 had 引导 同时还遵循前肯定后否定的原则 含有情态动词的句子在构成反意疑问句时 通常用相应的 情态动词 如 He will come tonight won t he 但当谓语部分是 ougllt to 动词原形 时 疑问部分用 ought ought not shouldn t 主语代词 如 He ought to be punished oughtn t he 当陈述部分有 dare need 时 作实意动词 疑问部分用 do 的适当形式 作情态动词 疑问部分用情态动词本身 如 They need to do it don t tlley You dare not come dale you must 表示 必须 时 附加疑问句用 needn t 或 mustn t 表示推测时 疑问部分要 根据 must 后的谓语动词以及相对应的时态来确定 如 You must be Mr Zhang aren t you You must have finished it haven t you didn t you He must have finished the work last night didn the 有时间状语 last night 不能用 hasn he 延边延边 F F 考场思维训练考场思维训练 1 延边延边 F F He must be in the classroom he A mustn t B can t 用心 爱心 专心 10 C isn t D can 1 c 解析 表示推测时 must 的反意疑问部分根据谓语动词来确定 2 延边延边 F F There used to be a high tower here A was there B wasn t there C used there D usedn t there 2 D 解析 见 used to 的用法 3 延边延边 F F Look Bob is carefully examine the electric lines A He should be too careful B He must be too careful C He cannot be too careful D He can be too careful 3 C 解析 意为 他再怎么小心也不过分 延边延边 F F 考点高分解题综合训练考点高分解题综合训练 I I 延边延边 F F 单项选择单项选择 1 延边延边 F F 典型例题精选 Tom you leave all your clothes on the floor like this A wouldn t B mustn t C needn t D may not 1 B 解析 本题考查情态动词的用法 由题干设置的语境可知该句为含有主语的祈使 句 全文使用了命令的口吻 故须用 mustn t 表示 一定不要 2 延边延边 F F 典型例题精选 I have been more than six years old when the accident happened A shouldn t B couldn t C mustn t D needn t 2 B 解析 本句意为 当那次事故发生时 我可能还没有 6 岁 故只有 could 才能 达意 3 延边延边 F F 典型例题精选 He have completed his work otherwise he wouldn t be enjoying himself by the sea side A should B must C wouldn t D can t 3 B 解析 本题考查 must 对过去推测的用法 应用 must have done 结构表示过去 一定做了某事 而 should have done 表示过去应该做而没做 4 延边延边 F F 典型例题精选 Do you know where David is I couldn t find him anywhere Well He have gone far His coat s still here A shouldn t B mustn t C can t D wouldn t 4 C 解析 考查情态动词的否定推测用法 只有 Call t 表达 不可能 5 延边延边 F F 典型例题精选 If I plan to do anything I wanted to I d like to go to Tibet and travel through as much of it as possible A would B could C had to D ought to 5 B 解析 本题意为 如果我能为我想做的事情做个计划的话 我想去 被选项 中只有 could 使句意合理 6 延边延边 F F 典型例题精选 Don t you think it necessary that he to Miami but to New York 用心 爱心 专心 11 I agree but the problem is he has refused to A will not be sent that B not be sent that C should not be sent what D should not send what 6 B 解析 在 It is necessary that 从句 句型中 从句谓语动词用 should do 的 形式 should 可以省略 由此排除 A send 与 him 之间构成逻辑上的动宾关系 所以 send 应用被动语 态的形式 由此排除 D 由句 意 the problem is he has refused to 应是一个表语从句 由此排除 c 7 延边延边 F F 典型例题精选 The woman biologist stayed in A frica studying wild animals for 13 years before she re turned Oh dear She a lot of difficulties A may go through B might go through C ought to have gone through D must have gone through 7 D 解析 由上句的 在非洲与动物一起待了 13 年 可知 她一定经历了许多困难 表示对过去情况的推测用 must have done 结构 8 延边延边 F F 典型例题精选 He paid for a seat when he have entered free A could B would C must D need 8 A 解析 本句意为 尽管他可以免费进入 但他还是付了座位费 故用 could have done 来表示 本能够做而未做 9 延边延边 F F 典型例题精选 There be any difficulty about passing the road test since you have practiced a lot in the driving school A mustn t B shan t C shouldn t D needn t 9 C 解析 本句意为 因为你在驾校已经训练了这么多 通过路考一定没什么困难 shouldn t 表示据情况推测 理应 o 10 延边延边 F F 典型例题精选 This cake is very sweet You a lot of sugar in it A should put B could have put C might put D must have put 10 D 解析 根据句意应用对过去的肯定推测 11 延边延边 F F 典型例题精选 Tom is never late for work Why is he absent today Something to him A must happen B should have happened C could have happened D must have happened 11 D 解析 同 10 12 延边延边 F F 典型例题精选 It s strange that they nothing about this matter A should know B would know C had known D knew 12 A 解析 should 表示竟然 用心 爱心 专心 12 13 延边延边 F F 典型例题精选 Let us stay here A shall we B will we C will you D may you 13 C 解析 Let us 反意疑问句用 will you Let s 用 shall we 14 延边延边 F F 典型例题精选 Mike up at five but now he gets up at six A used to getting B would get C was used to get D used to get 14 D 解析 used to 和 would 均表示过去常常 但前者常与现在相对应 15 延边延边 F F 典型例题精选 Harry would rather than the secret A die telling B die to tell C dead tell D die tell 15 D 解析 固定搭配 would rather do than do 16 延边延边 F F 典型例题精选检测 The plant is dead I it more water A should have given B will give C would give D must give 16 A 解析 should have done 表示应该做而没做 表责备 埋怨 17 延边延边 F F 典型例题精选 he use your bike now Certainly Here is the key A Does B Must C Shall D Will 17 C 解析 shall 用于第三人称疑问句中 表说话人征求对方意见 18 延边延边 F F 典型例题精选 They work in the street at night A did not dare to B not dare C dared not to D are not daring 18 A 解析 didn t dare to work dared not work 19 延边延边 F F 典型例题精选 I tell her the truth A cannot help B cannot but C may not help D could but 19 B 解析 固定搭配 cannot but to have to do 必须做 20 延边延边 F F 典型例题精选 you tell me what has happened A May B Must C Need D Could 20 D 解析 could 在本句中提问表示委婉语气 21 延边延边