YOU SAID:

not hasn't wasn't isn't couldn't nor wouldn't shouldn't can't hadn't cannot don't

INTO JAPANESE

できなかった、しなかった、しなかった、しなかった、しなかった、しなかった

BACK INTO ENGLISH

couldn't, didn't, didn't, didn't, didn't, didn't

INTO JAPANESE

できなかった、できなかった、しなかった、しなかった、しなかった、しなかった

BACK INTO ENGLISH

couldn't, couldn't, didn't, didn't, didn't, didn't

INTO JAPANESE

できませんでした、できませんでした、しませんでした、しませんでした、しませんでした

BACK INTO ENGLISH

couldn't, couldn't, didn't, didn't, didn't

INTO JAPANESE

できなかった、できなかった、しなかった、しなかった、しなかった

BACK INTO ENGLISH

couldn't, couldn't, didn't, didn't, didn't