YOU SAID:

I have a very good grade in English but I know that if I do not get my very good essay finished by tonight I will fail.

INTO JAPANESE

私は英語で非常に良い成績を持っていますが、私は今夜までに私の非常に良いエッセイを終えなければ、私は失敗することを知っています。

BACK INTO ENGLISH

I have very good grades in English, but I know that if I don't finish my very good essay by tonight, I will fail.

INTO JAPANESE

私は英語で非常に良い成績を持っていますが、今夜までに私の非常に良いエッセイを終えなければ、私は失敗することを知っています。

BACK INTO ENGLISH

I have very good grades in English, but I know that if I don't finish my very good essay by tonight, I will fail.