..and my hometown has become more and more beautiful.这是一句过去完成时,为什么become用原形?
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..andmyhometownhasbecomemoreandmorebeautiful.这是一句过去完成时,为什么become用原形?..andmyhometownhasbecomemoreandm
..and my hometown has become more and more beautiful.这是一句过去完成时,为什么become用原形?
..and my hometown has become more and more beautiful.这是一句过去完成时,为什么become用原形?
..and my hometown has become more and more beautiful.这是一句过去完成时,为什么become用原形?
这里的become是充当过去分词
become的原形和过去分词是一样的
这一句是现在完成时态的句子。谓语结构是：have /has +动词的过去分词。become的过去分词是become .所以这样写。
这句话不是过去完成时，而是现在完成时，因为用了has + 过去分词。如果过去完成时就应该用用had了。这里become不是用的动词原形，而是用的过去分词，因为become-became-become，和原形写法相同，所以比较特殊。
希望可以帮到你哦O(∩_∩)O哈！
这句话是现在完成时，因为是has+动词的过去分词
而become的过去分词和原型相同，所以这样写
祝你进步，有不会的可以再问我哦
这里的become要用过去分词。书上P140。
become的过去式是became，
而它的过去分词和原来一样，
还是become，
这里的become是过去分词而不是原型。
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..and my hometown has become more and more beautiful.这是一句过去完成时,为什么become用原形?
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