can be seen 和 can been seen 的区别?

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can be seen 和 can been seen 的区别?
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can be seen 和 can been seen 的区别?
can be seen 和 can been seen 的区别?

can be seen 和 can been seen 的区别?
can be seen被看见
can been seen 恕我直言,can作为情态动词后面必须是动词原型.
been 一般跟在have , has ,had 等完成时态后面.

can be seen 是正确的说法 can been seen 是错误的 can 后边是动词的原型

can been seen 是错的;只有can be seen的用法:能够被看见
can 后跟动词原形,也没有can have been seen的用法,而用:could have been seen,虚拟语气
希望对你有帮助

can后面接动词原形。be是动词原形,been是过去分词。所以第二个是不成立的。