YOU SAID:

It must be my birthday

INTO JAPANESE

それは私の誕生日をする必要があります。

BACK INTO ENGLISH

You need to do it for my birthday.

INTO JAPANESE

私の誕生日のために行う必要があります。

BACK INTO ENGLISH

You need to do for my birthday.

INTO JAPANESE

私の誕生日に行う必要があります。

BACK INTO ENGLISH

You must do for my birthday.

INTO JAPANESE

私の誕生日に行う必要があります。

BACK INTO ENGLISH

You must do for my birthday.