YOU SAID:

The car is very fast my feet are tired

INTO JAPANESE

車は非常に高速な私の足は疲れています。

BACK INTO ENGLISH

Car is very fast and my feet are tired.

INTO JAPANESE

車は非常に速く、私の足は疲れています。

BACK INTO ENGLISH

Car was very fast, my legs are tired.

INTO JAPANESE

車は非常に高速だった、私の足は疲れています。

BACK INTO ENGLISH

The car was very fast, my legs are tired.

INTO JAPANESE

車は非常に高速だった、私の足は疲れています。

BACK INTO ENGLISH

The car was very fast, my legs are tired.