YOU SAID:

i am super awesome and cool and yesterday

INTO JAPANESE

私はとても素晴らしく、昨日はかっこいいです

BACK INTO ENGLISH

I'm so great, I was cool yesterday

INTO JAPANESE

私は素晴らしい昨日はかっこよかった

BACK INTO ENGLISH

I was great. I was cool yesterday.

INTO JAPANESE

私は素晴らしかった昨日はかっこよかった

BACK INTO ENGLISH

I was great. I was cool yesterday.