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主动形式表达被动意义的用法复习知识点精析 1．“系动词feel，sound，taste，look，smell，appear，seem，turn，stay，become，get，grow，keep等＋形容词/名词”构成系表结构，常常以主动形式表示被动意义。 This kind of wool shirt feels soft. 这种羊毛衫摸起来很软。 2．当sell，read，cut，wash，write，open，wear，run，burn等不及物动词后带状语(well/easily等)修饰，用来表示主语内在的品质或性能时用主动形式表示被动含义。 Have you bought the book that sells well these days? I think it is suitable for us teenagers. 你买最近畅销的那本书了吗？我认为它非常适合我们青少年。 3．在need，want，require，deserve，bear等动词、worth等形容词的后面，动名词主动形式表示被动意义，其含义相当于动词不定式的被动形式。 The house needs repairing(＝to be repaired)． 这房子需要修葺。 4．在某些“主语(人/物)＋be＋形容词＋不定式”中，不定式的主动形式表示被动意义。这些形容词有nice，easy，fit，hard，difficult，important，impossible，pleasant，interesting等。 The problem is difficult to work out. 这道题很难计算出。 5．be to rent/blame主动形式表被动意义。Who is to blame for the mistake? 谁应为这个错误接受谴责？ 题一： The commander ordered that his soldiers ________at the foot of the mountain. A. should stop B. must stop C. will stop D. would stop The teacher demanded that the exam ________ before eleven. A. must finish B. would be finished C. be finished D. must be finished 题二： It was ordered that no smoking ________in the library A. was allowed B. would be allowed C. be allowed D. had been allowed It was demanded that we ________before daybreak. A. setting off B. set off C. must set off D. will set off 题三： Our teacher suggested that we _______ proper exercise and enough sleeping hour. A. had B. should have C. ought to have D. will have His accent suggests that he _______from Guangdong. A. is B. has been C. should be D. was 答案 题一： A；C 详解：order后接的that从句应用虚拟语气，谓语动词要用should+动词原形，should可以省略。 详解：demand后接的that从句应用虚拟语气，谓语动词要用should+动词原形，should可以省略；主语the exam与谓语finish之间是被动关系，所以finish要用情态动词的被动语态。 题二： C；B 详解：It is/was ordered后接的that从句应用虚拟语气，谓语动词要用should+动词原形，should可以省略;主语no smoking与谓语allow之间是被动关系，所以allow应用情态动词的被动语态。 详解：It is/was demanded后接的that从句应用虚拟语气，谓语动词要用should+动词原形，should可以省略。 题三： B；A 详解：suggest当“建议”讲时，其后的that从句应用虚拟语气，谓语动词要用should+动词原形，should可以省略。 详解：suggest当“表明”讲时，其后的that从句应用陈述语气。这里从句的内容是不受时间限制的客观存在，所以谓语动词应用一般现在时。 
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