“特殊疑问词+动词不定式”的用法归纳 | 您所在的位置:网站首页 › todo作表语造句 › “特殊疑问词+动词不定式”的用法归纳 |
(6) 作介词宾语:某些介词后面可接"疑问词+不定式"作宾语,这类介词常用的有 about, as, from, in, of, on, with等。例如: He has no idea of how to answer this question. 他不知道怎样回答这个问题。 Della had only $1.87 with which to buy Jim a present. 德拉仅有$1.87为来吉姆买一件礼物。 (which是关系代词) You have a number of topics from which to choose. 你有很多题目可以选择。(which是关系代词) 0 2 二“特殊疑问词+动词不定式”这种结构可以把复合句转为简单句。 如: I don’t know what I’ll do next. = I don’t know what to do next. The doctor told him when he should take the medicine. = The doctor told him when to take the medicine. 同样,因为“特殊疑问词+动词不定式”这种结构相当于一个名词性从句,所以可用同等成分的从句代替,从而把简单句转换为复合句。改写时只需在疑问词后加上适当的主语,并把不定式改为适当的形式的谓语即可。如: Which to choose is important. = Which we should choose is important. The question is where to go. = The question is where we should go. 0 3 三、“特殊疑问词+动词不定式”这种结构可构成独立问句。如:What to do? 怎么办?How to get rid of the trouble? 如何摆脱困境? 注意 按照英语语法的习惯,疑问副词why 后不直接跟动词不定式,如: 误:I don’t know why to choose that dictionary. 正:I don’t know why you must choose that dictionary. 但它可以接不带to的动词不定式,即动词原形,构成why do sth./ why not do sth. 肯定形式是表示某动作是不必要的或没有意义的,而否定形式是表示向某人提建议和表达看法,相当于祈使句。 Today is Sunday. Why not go out to relax yourself? Why pay more at other shops? We have the best value.返回搜狐,查看更多 |
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