many of our dreams__impossible in the past have come true （a)were considered （b)considered为什么不选A呢
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many of our dreams__impossible in the past have come true （a)were considered （b)considered为什么不选A呢
many of our dreams__impossible in the past have come true （a)were considered （b)considered
为什么不选A呢
many of our dreams__impossible in the past have come true （a)were considered （b)considered为什么不选A呢
many of our dreams__impossible in the past have come true
a)were considered （b)considered
这是一个非谓语的考点
在这道题中have是这个句子的谓语
一个句子只能有一个谓语
梦想被认为是不可能实现的
所以选B过去分词表示被动做定语修饰dreams
是这样的：
considered impossible in the past 是过去分词短语作后置定语，限定dreams
因为“__impossible in the past ”这是一个分词作主语补足语，这里的considered 不是真正的谓语，句子真正的谓语是have come ture
答案是B.因为__impossible in the past 这一部分是many of our dreams的定语，动词作定语时要么用定语从句，要么用-ing分词或--ed分词。如果用A的话，要加上关系代词which或that构成定语从句，因为关系代词作主语不能省去。所以用选B，consider和many of our dreams存在被动关系，用-ed 分词作定语。...
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答案是B.因为__impossible in the past 这一部分是many of our dreams的定语，动词作定语时要么用定语从句，要么用-ing分词或--ed分词。如果用A的话，要加上关系代词which或that构成定语从句，因为关系代词作主语不能省去。所以用选B，consider和many of our dreams存在被动关系，用-ed 分词作定语。
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