Ⅳ.能力训练 1.单句改错(情态动词专练) (1)—Must I finish this work today? —No,you mustn’t. 答案:mustn’t改为needn’t。情态动词must用于一般疑问句,否定的回答通常用“No,…needn’t.”不用“No,…mustn’t.”。 (2.)It mustn’t be true. 答案:mustn’t改为can’t。must表示推测时,通常只用在肯定结构中,它的否定形式应用can’t。 (3)You need go and see her. 答案:need改为need to。need用作情态动词时,只能用于否定句、疑问句和条件状语从句。在肯定句中,need用作实义动词,后面需接带to的动词不定式。 (4)You must write to your brother yesterday. 答案:must write改为should have written。must没有过去形式。“should have+过去分词”表示“过去应该做而没有做到的事”。含有责备的意思。 (5)You must tell a lie. 答案:must tell改为must have told。对过去某事的推测要用must加上完成时态,对过去某事用否定式推测常用can not加完成时态。 (6)—Could I take this seat? —Yes,you could. 答案:第二个could改为can。情态动词could,might,would有时并不表示过去,而是表示说话语气委婉,或可能性较小,特别是当它们用于Could I…?Might I…?Would you…?时,在回答时就直截了当用can,may和will形式。 (7)There ought to not be much noise in a hospital. 答案:ought to not改为ought not to。ought to do的否定式是ought not to。而其疑问式应将ought移至句首。 (8)Mary must catch a cold,she had a high fever last night. 答案:must catch改为must have caught。本句句意为“玛丽准是感冒了。她昨晚发高烧”。根据句意是表示对过去的推测,因此用“must have+过去分词”结构。 2.翻译填空 (1)用什么方法能把这个弄干净? ______ ______ ______ ______ ______to clean this? 答案:What is the best way (2)你能用英语把意思表达清楚吗? Can you ______ ______ ______ ______ ______? 答案:make yourself understood in English (3)在这里我们不大有机会听好的音乐。 We ______ ______ ______ ______ for hearing good music here. 答案:have not much opportunity (4)吸烟会导致肺癌吗? Does smoking ______ ______ lung cancer? 答案:contribute to (5.)这种手套保暖。 These gloves will ______ ______ ______ ______. 答案:keep your hands warm (6)她的眼泪止不住地顺着面颊往下流。 Her tears ______ ______ ______ ______ ______. 答案:flowed freely down her cheeks (7.)真是难以相信,这么简单的主意竟没有人想到。 ______,no one had ever thought of such a simple idea before. 答案:Incredibly (责任编辑:admin) |