have been+过去分词造句

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have been+过去分词造句

I have been very tired.我已经很累了.
I have been interested in maths.我已经对数学感兴趣了.

By now ,the buildings have been completed.

He has been seen playing football.

I have been very tired。我已经很累了。
I have been interested in maths。我已经对数学感兴趣了。
希望对你有帮助O(∩_∩)O~