(二)虚拟语气 在if条件句中.如果含有were , should或had等助动词.if可以省去.句子用倒装. 例如:Were I you , I would buy this reference book. should与would都可以用于if条件句的主句中.但should一般只用于第一人称.would用于所有人称. 例如:If you were here , I would tell you the news . 某些条件可以用介词短语without- , but for 等来表示 . 例如:Without your help , I could not have succeeded in passing the exam . 有时句子通过but或otherwise等词来表示真实与虚拟的转换.在这种情况下.只有不真实的部分用虚拟式. 例如:I was ill yesterday,otherwise I would have played football with you . But for the heavy rain , we would have gone to the concert . 有suggest等词的相应的名词组成的同位语从句及表语从句用虚拟式. 例如:I accepted my mother’s suggestion that I should eat an apple every day . 【
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