It ( )Mike and Mary who helped the old man several days ago. A.was B.were C.are D.had been答案是A,说是指代整件事.能解释一下,再举个选B的例子么
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![It ( )Mike and Mary who helped the old man several days ago. A.was B.were C.are D.had been答案是A,说是指代整件事.能解释一下,再举个选B的例子么](/uploads/image/z/9056737-1-7.jpg?t=It+%28+%29Mike+and+Mary+who+helped+the+old+man+several+days+ago.+A.was+B.were+C.are+D.had+been%E7%AD%94%E6%A1%88%E6%98%AFA%2C%E8%AF%B4%E6%98%AF%E6%8C%87%E4%BB%A3%E6%95%B4%E4%BB%B6%E4%BA%8B.%E8%83%BD%E8%A7%A3%E9%87%8A%E4%B8%80%E4%B8%8B%2C%E5%86%8D%E4%B8%BE%E4%B8%AA%E9%80%89B%E7%9A%84%E4%BE%8B%E5%AD%90%E4%B9%88)
It ( )Mike and Mary who helped the old man several days ago. A.was B.were C.are D.had been答案是A,说是指代整件事.能解释一下,再举个选B的例子么
It ( )Mike and Mary who helped the old man several days ago. A.was B.were C.are D.had been
答案是A,说是指代整件事.能解释一下,再举个选B的例子么
It ( )Mike and Mary who helped the old man several days ago. A.was B.were C.are D.had been答案是A,说是指代整件事.能解释一下,再举个选B的例子么
这是一个强调句结构,它的构成 是:
It is.+被强调部分+..that/who.+剩下部分
It was.+被强调部分+..that/who.+剩下部分
也就是说,在这个句子中,是IT作主语,无论什么时候,谓语动词只能用单数.不存在用WERE的情况了.又如:
It is you that make me happy.
这是一个强调句,It是形式主语,可以理解成这件事的代称。单复数是紧跟着这件事而不是这两个人,所以是was。
it 作主语,谓语动词肯定得用单数,怎么可能用were呢?
It is/was...that/who...强调句型。
强调句型的时态要根据原始句子的时态去判断。这个句子不用强调时本来是:Mike and Mary helped the old man several days ago. 是过去时,所以强调句型也用过去时。