YOU SAID:

You’d have been better off running with them

INTO JAPANESE

あなたは彼らと一緒に走ったほうがましだっただろう

BACK INTO ENGLISH

You would have been better to run with them

INTO JAPANESE

あなたは彼らと一緒に走ったほうがよかったでしょう

BACK INTO ENGLISH

You would have better ran with them

INTO JAPANESE

あなたは彼らと一緒に走った方が良いでしょう

BACK INTO ENGLISH

You'd better run with them

INTO JAPANESE

一緒に走ったほうがいい

BACK INTO ENGLISH

You should run together

INTO JAPANESE

一緒に走るべきです

BACK INTO ENGLISH

Should run together

INTO JAPANESE

一緒に走るべき

BACK INTO ENGLISH

Should run together