YOU SAID:

I am writing this letter because I have something to tell you.

INTO JAPANESE

あなたに伝えたいことを持っているので、この手紙を書いています

BACK INTO ENGLISH

Have something to say to you, so am writing this

INTO JAPANESE

これを書いているので、あなたに言いたいこと

BACK INTO ENGLISH

You wrote this because you want to say to you

INTO JAPANESE

あなたがこれを書いたあなたに言いたいので

BACK INTO ENGLISH

So you want to say to you you wrote this

INTO JAPANESE

そうあなたはあなたがこれを書いたあなたに言いたいです。

BACK INTO ENGLISH

So you want to say to you you wrote this.

INTO JAPANESE

だからこれを書いたあなたに言いたいです。

BACK INTO ENGLISH

So say you wrote this.

INTO JAPANESE

あなたがこれを書いたと言う。

BACK INTO ENGLISH

I say you wrote it.

INTO JAPANESE

私はあなたがそれを書いたと言います。

BACK INTO ENGLISH

I say you wrote it.