Were the wire of a smallaer diameter,its resista
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Were the wire of a smallaer diameter,its resista
ce would be inceeased.为什么填would be increased?能否解析下这个句子的语法.
还有had been increased,was increased,might have been increased,这些选项又分别有什么语法特征?怎么用
ce would be inceeased.为什么填would be increased?能否解析下这个句子的语法.
还有had been increased,was increased,might have been increased,这些选项又分别有什么语法特征?怎么用
这句话的意思是,如果电线的直径小一些的话,他的电阻会增大.
这句话是一个虚拟语气,从前半句的were能看出,所以后面也要用would来表示虚拟情况中可能出现的状况.
请答复.
再问: 还有had been increased,was increased,might have been increased,这些选项又分别有什么语法特征?怎么用
再答: had been increased和was increased没有什么特别之处,就是时态上的问题,分别是过去完成时,和一般过去时,但是要注意,用的是被动语态,是被动be increased的时态变化,所以时态体现在be上。
过去完成时表示过去某一点时间之前完成的动作,说白了就是过去的过去,一般有明显的过去时间指示词,比如说before yesterday. Prices had been increased before last year.
一般过去时讲的就是过去某一段时间,或者某一点时间发生的事情。The price was increased last year.
might have been increased比较复杂,它是用情态动词+完成时这样的结构表示对过去发生的事情的推断,表示本来可能发生的事情,但是却没有发生。比如说,如果去年政府没有采取行动的话,物价可能会抬升。是对过去的事情,而且是可能发生却没有发生的事情的一种推断,这种推断可能性比较低。if the government hadn't taken actions last year, the prices might have been increased.
若满意,请采纳。
再问: 嗯嗯!谢谢啦(>^ω^
这句话是一个虚拟语气,从前半句的were能看出,所以后面也要用would来表示虚拟情况中可能出现的状况.
请答复.
再问: 还有had been increased,was increased,might have been increased,这些选项又分别有什么语法特征?怎么用
再答: had been increased和was increased没有什么特别之处,就是时态上的问题,分别是过去完成时,和一般过去时,但是要注意,用的是被动语态,是被动be increased的时态变化,所以时态体现在be上。
过去完成时表示过去某一点时间之前完成的动作,说白了就是过去的过去,一般有明显的过去时间指示词,比如说before yesterday. Prices had been increased before last year.
一般过去时讲的就是过去某一段时间,或者某一点时间发生的事情。The price was increased last year.
might have been increased比较复杂,它是用情态动词+完成时这样的结构表示对过去发生的事情的推断,表示本来可能发生的事情,但是却没有发生。比如说,如果去年政府没有采取行动的话,物价可能会抬升。是对过去的事情,而且是可能发生却没有发生的事情的一种推断,这种推断可能性比较低。if the government hadn't taken actions last year, the prices might have been increased.
若满意,请采纳。
再问: 嗯嗯!谢谢啦(>^ω^
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