Wiktionary
there have been
vb. (past participle of there be English)
Usage examples of "there have been".
In many of the circles I have conducted there have been people of many religions and faiths brought together by the love of God the Father, worshipping Him in the communion of a spiritual circle, blessed by the prayers and invocations to Him.
Then how in the world could there have been a face at the tower window?