YOU SAID:

I cannot wait to go on a vacation next week

INTO JAPANESE

私は来週休暇に行くに待つことができません。

BACK INTO ENGLISH

You can't wait I will go on vacation next week.

INTO JAPANESE

待つことができない私は来週休暇に行きます。

BACK INTO ENGLISH

I can't wait going on vacation next week.

INTO JAPANESE

次の週に休暇に行くことはできません. します。

BACK INTO ENGLISH

You can't go on vacation next week. I will.

INTO JAPANESE

来週休暇に行くことはできません。します。

BACK INTO ENGLISH

You can't go on vacation next week. I will.