begin后面什么时候加不定式,什么时候加ing形式?

及物动词 vt.
1.开始,着手;动手[+v-ing][+to-v]
When did you begin learning English?
你何时开始学英语的?
He is about to begin his term as President.
他即将开始他的总统任期.
After breakfast it began to snow.
早饭后开始下起雪来.
2.创建;使开始
They began the club about four years ago.
他们大约在四年前创办该俱乐部的.
不及物动词 vi.
1.开始;开始进行
The concert began at 8 p.m.
音乐会晚上八时开始.
2.始于;源于
The campaign began last year.
这场运动始于去年.

只有不定式吧 start有ing形式