[질문] 영어에서 복문에서단문으로단문에서복문으로바꾸는방법은??

단문:동사가하나(예:I know him./He is an honest man.)/복문:종속접속사(이경우,that이죠)로단문과단문이연결된문장(예:I know that he is an honest man.)