he usually exercise three times a week she is always late for school 为什么句2有be动词,而句一没有

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he usually exercise three times a week she is always late for school 为什么句2有be动词,而句一没有

he usually exercise three times a week she is always late for school 为什么句2有be动词,而句一没有
he usually exercise three times a week she is always late for school 为什么句2有be动词,而句一没有

he usually exercise three times a week she is always late for school 为什么句2有be动词,而句一没有
动词分系动词和行为动词,不是每句话都要有be动词

前边应该是excersies,第三人称,excercise就是谓语啊,所以不需要be啊

一个句子由主语,谓语动词,宾语构成。be动词是谓语动词的一种,而exercise已经是动词了,所以不用be动词有点头绪了,麻烦再说仔细点好吧。首先一个句子里只能有一个谓语动词。谓语动词包括行为动词,be动词,助动词。该用哪一个根据句子意思来...

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一个句子由主语,谓语动词,宾语构成。be动词是谓语动词的一种,而exercise已经是动词了,所以不用be动词

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