Then it is decided.这句话decided是decide的过去式,decide又是动词,则it后面怎么可

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Then it is decided.这句话decided是decide的过去式,decide又是动词,则it后面怎么可以加S?

这是被动语态.decided是decide的过去分词,不是过去式.sth. be done ：什么东西被做.被动语态.
这句话的解释是：然后这件事情就被决定了.

Then it is decided.这句话decided是decide的过去式,decide又是动词,则it后面怎么可 decide to do,如果是decided,那do可以用过去式吗 decided 和 decide 的区别和用法. decided 和decide 后接什么 decided 和decide区别 We have decided not to go,though it was a difficult _(decide decide on与decided to do something的区别 decide的用法如：decided doing sthdecided to do sth decide 和 decided 有啥区别啊 decide和decided后接ing吗为什么depend on是依靠而depends on是取决于?有什么区别?decide on 和 decided on decide sth on decide it on 的用法正确吗? decide的过去式是什么?