英语问题~~很恶心Many thing considered impossible in the past are common today.这句话中为什么不能说成:Many thing to be considered impossible in the past are common today.书上说由于是过去发生的事所以不能用to be

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英语问题~~很恶心Many thing considered impossible in the past are common today.这句话中为什么不能说成:Many thing to be considered impossible in the past are common today.书上说由于是过去发生的事所以不能用to be
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英语问题~~很恶心Many thing considered impossible in the past are common today.这句话中为什么不能说成:Many thing to be considered impossible in the past are common today.书上说由于是过去发生的事所以不能用to be
英语问题~~很恶心
Many thing considered impossible in the past are common today.
这句话中为什么不能说成:
Many thing to be considered impossible in the past are common today.
书上说由于是过去发生的事所以不能用to be considered
可是我还是不懂
能不能解释的详细一点.

英语问题~~很恶心Many thing considered impossible in the past are common today.这句话中为什么不能说成:Many thing to be considered impossible in the past are common today.书上说由于是过去发生的事所以不能用to be
你给的第一句就是一句简单的过去式,表示事情已经发生过,到现在已经结束,而你给的第二句,是将来时,表示还没发生的事情,那你的第一句里已经说了 in the past ,你想想还能用to be 这种表示将来时的结构吗,对不对

Many things which were used to be considered impossble are common today~~这样好些~

to be considered就是被动语态了。

过去被视为不可能的事现在都成了现实
considered impossible这个过去分词短语做为后置定语
修饰主语

to be似乎得用将来的时态,to be<--打算做却还没做的。