still 后面为什么要加doing

still 后面为什么要加doing keep后面是加do还是加doing,STILL后面是加ING吗?SOS about 是什么词性?为什么后面要加doing still后面的动词是原形还是要变形My finger still hurts.为什么hurt要加S think后面要加doing吗? make a contribution为什么后面加to doing be afraid of 后面为什么加to do ,而不是doing? 为什么be addicted to 后面一定要加doing still 怎么用?后面动词要加ing吗? still 后加doing?看图 still burning? enjoy 后面为什么只能加doing,不能加to do要从语法功能解释,不要说是固定用法 study后面怎么加doing sb spend some time doing stn的some time 后面为什么加doing What does he like doing?前面有does为什么后面加doing are often后面加ed还是doing为什么?最好举例子还有i wasn't 后面是+ed还是doing like + doing,但dislike后面要不要加ing she is still drunk 为什么加still enjoy doing sth.为什么enjoy后面要加动词ing形式?有enjoy to do sth.这种形式吗?