his greatest fear is of being burnt alive 中"is of being"是什么语法点?

his greatest fear is of being burnt alive 中is of being是什么语法点? his face white with fear?为什么不用his face（ is） white with fear?形容词前应该加上be动词啊 No man who is keen about his work has anything to fear from life.翻译 –Is football John’s favourite sport? --Yes. __________ football, baseball is his greatest love.–Is football John’s favourite sport? --Yes. __________ football, baseball is his greatest love. A. Near to B. Except C. Beside Courage is resistance to fear,mastery of fear,nCourage is resistance to fear,mastery of fear,not absence of fear! my greatest happiness is you What is your greatest strength? This is the greatest love what is the greatest inventor Michael Phelps,the world's greatest swimmer is really proud of his record－breaking eighth Olympic it is that you fear Fear is the only enemy What's your greatest fear?What's the craziest thing that you have ever done?英译汉, the only thing we have to fear is fear itself. The only thing we have to fear is fear itself. the only thing we have to fear is fear itself. the only thing we have to fear is fear itsdlf. The only things we have to fear is fear itself