devoted to the cause of education,he is respected by then?为什么用devoted而不用 devoting

devoted to the cause of education,he is respected by then?为什么用devoted而不用 devoting
devoted to the cause of education,he is respected by then?
为什么用devoted而不用 devoting

devoted to the cause of education,he is respected by then?为什么用devoted而不用 devoting
表原因的状语从句,用过去分词引导.若用devoting则表示的是一种伴随的状态,不能表示原因

devote 是及物动词可以作用
devote oneself to ，这时用devoting可以
本句为
be devoted to：致力于的用法
省略了be

devoted to前面省略了he is
be devoted to 或者devoted to 是固定句形,意思是:专心于…