YOU SAID:

if i played basketball i would be a concussion

INTO JAPANESE

もし私がバスケットボールをしていたら、私は脳震盪になるだろう

BACK INTO ENGLISH

If I were playing basketball, I would be concussed.

INTO JAPANESE

もし私がバスケットボールをしていたら、私は脳震盪を起こしただろう。

BACK INTO ENGLISH

If I had played basketball, I would have suffered a concussion.

INTO JAPANESE

もしバスケットボールをしていたら、脳震盪に苦しんでいただろう。

BACK INTO ENGLISH

If I had played basketball, I would have suffered from concussion.

INTO JAPANESE

もしバスケットボールをしていたら、脳震盪に苦しんでいただろう。

BACK INTO ENGLISH

If I had played basketball, I would have suffered from concussion.