A．单句填空 1．If I _____(see) it with my own eyes, I wouldn't have believed it. 答案 hadn't seen [句意：如果不是亲眼所见，我是不会相信的。根据主句谓语wouldn't have believed可知，这里考查的是if条件句中对过去情况的虚拟，if条件句中应用过去完成时，故用hadn't seen。] 2．_____ (be) there no modern telecommunications, we would have to wait for weeks to get news from around the world. 答案 were [句意：如果没有现代化的电讯，要想收到来自世界各地的消息，我们就不得不等几个星期。本题是if条件句的虚拟语气，表示与现在事实相反。当if省略时，要使用部分倒装。] 3．Ellen is a fantastic dancer. I wish I _____(dance) as well as her. 答案 danced [句意：Ellen是一个极出色的舞者。我希望我能够跳得和她一样好。动词wish后的宾语从句中常用虚拟语气。再根据句意，此处表示对现在情况的一种假设，所以从句中的谓语动词要用一般过去式，故用danced。] 4．They were abroad during the months when we were carrying out the investigation, or they would _____ (come) to our help. 答案 have come [句意：我们在做调查的那几个月，他们在国外，否则他们会来给我们帮忙的。考查虚拟语气。由句意可知设空处表示与过去事实相反的假设。] 5．If she had been aware that the mushroom were poisonous, she wouldn't _____(pick) them for dinner. 答案 have picked [句意：要是知道这些蘑菇有毒，她不会采来做晚餐了。根据分析可知，if条件句是对过去情况的虚拟，因此主句用wouldn't have picked。] 6．—Who do you think could have done such a foolish thing —It _____ (be) Tom, but I'm not sure. 答案 may/might have been [句意：———你认为谁有可能做这样的蠢事？———可能是Tom，但我不确定。根据but I'm not sure可知设空处填may/might have been，表示不确定的可能性。] 7．They would_____(arrive) on time for the Winter Olympics, but their car had a flat tyre on the halfway. 答案 have arrived [句意：他们本可以按时参加冬奥会，但他们的轮胎在半路上破了。考查含蓄条件下的虚拟语气，根据but后的句子，可知此处表示与过去事实相反的情况。故用have arrived。] 8．_____anyone phone, tell them I'm in conference. 答案 Should [句意：要是有人打电话，就告诉他们我在开会。考查虚拟语气。本句为与将来事实相反的假设，从句用should do, were to do过去式，本句还省略了if, 可还原为If anyone should/were to phone/phoned...。] 9．The examination results suggested that I_____in poor health, so the doctor suggested that I_____(take) more exercises to improve it. 答案 was; (should) take [句意：检查结果表明我身体不好，所以医生建议我多锻炼来改善身体状况。第一空中的suggest是“暗示，表明”的意思，从句中不用虚拟语气；第二空中的suggest是“建议”的意思，故用should＋v.原形，should可省略。] 10．—You failed to pass the English test again, didn't you —Yeah, if only I _____(work) harder at school. 答案 had worked [句意：———你英语测试又没及格，不是吗？———是的，要是我再努力些就好了。考查虚拟语气。根据上文可以判断此处表示过去的情境，if only从句中表过去情况的虚拟语气用过去完成时。] B．单句改错 1．I would go to my cousin's birthday party last night, but I was not available. _____ 答案 go→have gone [句意：要不是昨晚抽不出时间，我就去参加我堂弟的生日聚会了。结合句意和句中的“b ... ...
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