YOU SAID:

I want to write a sentence with correct grammar but I have a failed.

INTO JAPANESE

手紙を書かなければならないが、明日まではそこまで手が回らない。

BACK INTO ENGLISH

I have to write a letter, but I won't be able to get at it until tomorrow.

INTO JAPANESE

手紙を書かなければならないが、明日まではそこまで手が回らない。

BACK INTO ENGLISH

I have to write a letter, but I won't be able to get at it until tomorrow.