there are some birds singing in the tree, 这个句子有there be 句型,又有动词in_英语解答

there are some birds singing in the tree, 这个句子有there be 句型,又有动词ing.这个句子错了吗?
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人气：279 ℃　时间：2019-12-29 15:27:42

解答

there are some birds 本来完整了!
singing in the tree用于修饰birds,动名词作定语,就是这个结构.