请分析这道题All buses__because of the storm,many passengers chose to take the train.为什么选A呢?A having been cancelledB having been cancellingC had been cancelledD were cancelled
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请分析这道题All buses__because of the storm,many passengers chose to take the train.为什么选A呢?A having been cancelledB having been cancellingC had been cancelledD were cancelled
请分析这道题All buses__because of the storm,many passengers chose to take the train.为什么选A呢?
A having been cancelled
B having been cancelling
C had been cancelled
D were cancelled
请分析这道题All buses__because of the storm,many passengers chose to take the train.为什么选A呢?A having been cancelledB having been cancellingC had been cancelledD were cancelled
后面才是主句,已经有了主谓,用的是过去式,
那么前半句应该是过去完成时,又不能再出现谓语,所以用ing形式独立主格.
不管是过去完成时还是现在完成时,独立主格时都是having
先A.
过去完成时
现在完成时,它的意思是:所有的公共汽车被取消了,因为风暴,许多乘客选择乘火车。
英文中一个句子不可能有2个主语,因为明显后半句是主谓宾都全的句子,去掉前边的半句句子同样意思晚整,可见前半句只是起修饰作用的定语状语从句之类的修行饰成分!所以把CD2项排除,又因为bus与cancel之间是被动关系,B不正确!所以选A!现在分析A,由句意分析知由于暴风雨所有公交被取消,大多乘客选择乘火车(离开)。所以用被动be+done,又由于主句是过去,所以wm佣t...
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英文中一个句子不可能有2个主语,因为明显后半句是主谓宾都全的句子,去掉前边的半句句子同样意思晚整,可见前半句只是起修饰作用的定语状语从句之类的修行饰成分!所以把CD2项排除,又因为bus与cancel之间是被动关系,B不正确!所以选A!现在分析A,由句意分析知由于暴风雨所有公交被取消,大多乘客选择乘火车(离开)。所以用被动be+done,又由于主句是过去,所以wm佣t
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