It is time the authorities concerned took proper steps to solve the traffic problems

请教一下大家这句话 concerned 后边是不是少了个词
谁能帮我分析一下这句话的语法?

这个句子是虚拟语气
句式构成It is time sb+过去分词
分析这个句子,It is time the authorities concerned took proper steps to solve the traffic problems句意是:相关的政府部门是时候采取行动来解决交通问题了,concerned 是authority的后置定语,句子中的逻辑主语是 it,真正主语是the authorities concerned took proper steps to solve the traffic problems,系动词是is,表语是time,concerned表示相关的。
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第1个回答  2020-03-13
那不是过去分词,是过去式,是句型It'time
that
sb
did/should
do,不能换,这是固定句型。这些字是我一个一个打的,望采纳!
第2个回答  2018-09-20
It (主语)is time (系表结构构成合成谓语)(that )the authorities concerned took proper steps to solve the traffic problems(定语从句)追答

concerned 是后置定语(有关的)。句子正确。

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第3个回答  2018-09-20
第一,句子里有两个谓语,要么用从句:It is time that the authorities take proper steps... 要么用不定式: It is time for the authorities to take proper steps...
第二,concerned 放在这里要表达什么意思呢?
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