YOU SAID:

I do not think you are the most stupid person I have ever met.

INTO JAPANESE

私はあなたが今まで出会った最も愚かな人とは思わない。

BACK INTO ENGLISH

I don't think the most stupid person you've ever met.

INTO JAPANESE

私は今まで出会った最も愚かな人は思わない。

BACK INTO ENGLISH

I do not think the most stupid people I have ever met.

INTO JAPANESE

私が今まで出会った最も愚かな人が思わない。

BACK INTO ENGLISH

I don't think the most stupid people I have ever met.

INTO JAPANESE

私は今まで出会った最も愚かな人は思わない。

BACK INTO ENGLISH

I do not think the most stupid people I have ever met.

INTO JAPANESE

私が今まで出会った最も愚かな人が思わない。

BACK INTO ENGLISH

I don't think the most stupid people I have ever met.