be+过去分词的用法This problem (should)be settled as soon as possible中是用be(课本上说should 可以省略) ,the house was cleaned为什么不用be?而是用was?第一句中的be 为什么不用is

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be+过去分词的用法Thisproblem(should)besettledassoonaspossible中是用be(课本上说should可以省略),thehousewascleaned为什么不用b

be+过去分词的用法This problem (should)be settled as soon as possible中是用be(课本上说should 可以省略) ,the house was cleaned为什么不用be?而是用was?第一句中的be 为什么不用is
be+过去分词的用法
This problem (should)be settled as soon as possible中是用be(课本上说should 可以省略) ,the house was cleaned为什么不用be?而是用was?第一句中的be 为什么不用is

be+过去分词的用法This problem (should)be settled as soon as possible中是用be(课本上说should 可以省略) ,the house was cleaned为什么不用be?而是用was?第一句中的be 为什么不用is
should be 是一个整体,只不过此时should 可以省略.