YOU SAID:

i caused 9/11 with my uncle and step brothers

INTO JAPANESE

私は叔父と義理の兄弟と9/11を引き起こした

BACK INTO ENGLISH

I caused 9/11 with my uncle and brother-in-law

INTO JAPANESE

私は叔父と義理の兄弟と一緒に9/11を引き起こしました

BACK INTO ENGLISH

I caused 9/11 with my uncle and brother-in-law