YOU SAID:

I am an insanely very tall man

INTO JAPANESE

私はめちゃくちゃ非常に背の高い男

BACK INTO ENGLISH

I'm very very tall man

INTO JAPANESE

私は非常に非常に背の高い男

BACK INTO ENGLISH

I was a very tall man

INTO JAPANESE

私は非常に背の高い男だった

BACK INTO ENGLISH

I was a very tall man