Question

This is the first time I have been here (begin:I have not)

Answer 1

Hi friend,

Your answer is,

I have not been here before.

HOPE THIS HELPS....

Answer 2

This is the first time I have been here (begin:I have not)

Here is the sentence written begin with " I have not"

I have not been here before.

These two sentences have the exact same meaning only two different formats.

Other examples of changing sentences:

⇒I have not played soccer for ages ( begin with "it's been")

   It's been ages since I played soccer.

⇒The last time travelled was 2 years ago.

   I have not travelled for 2 years now.