YOU SAID:

It's their anniversary on Monday. They should be married for 15 years, I think.

INTO JAPANESE

月曜日は彼らの記念日です。 彼らは15年間結婚するべきだと思います。

BACK INTO ENGLISH

Monday is their anniversary. I think they should get married for 15 years.

INTO JAPANESE

月曜日は彼らの記念日です。 彼らは15年間結婚すべきだと思います。

BACK INTO ENGLISH

Monday is their anniversary. I think they should get married for 15 years.