YOU SAID:

I told him I couldn't lie; he was the only one for me.

INTO JAPANESE

私はうそをつくことができませんでした; 彼に言った彼は私の 1 つだけだった。

BACK INTO ENGLISH

I couldn't tell a lie; Told him he was only one of me.

INTO JAPANESE

うそを言うことができなかった彼は彼に言った私の 1 つだけだった

BACK INTO ENGLISH

Was the only one I told him he could not tell a lie

INTO JAPANESE

私は彼が嘘を言う可能性がないと言っただけだった

BACK INTO ENGLISH

It was only said there is no possibility he says lied

INTO JAPANESE

だけいわれたそこは彼は言う可能性のウソないです。

BACK INTO ENGLISH

Just is not there said he could tell lies.

INTO JAPANESE

ちょうどそこはない彼はうそを言うことができます。

BACK INTO ENGLISH

Just that he can tell a lie.

INTO JAPANESE

彼はうそをつくことができます。

BACK INTO ENGLISH

He is telling a lie.

INTO JAPANESE

彼はうそをついている。

BACK INTO ENGLISH

He is lying.

INTO JAPANESE

こいつは　ウソを言ってる

BACK INTO ENGLISH

He is lying.