begin doing sth=begin to do sth=start to do sth=start doing sth 对吗？
begin doing sth=begin to do sth=start to do sth=start doing sth 对吗？有什么区别吗？
可以这样子说.begin和start同义,可以互换,后面跟to do和doing差别也不大.但在有些情况,通常用to do.如： ①进行时态中：be beginning to do. The water is beginning to boil.水开始沸腾起来了. ②物作主语：sth begins/began to do sth. It begins to rain. ③与表示心理状态的词连用：begin to realize/understand. She began to understand.她渐渐地明白了.
答：begin / start to do sth begin / start doing sth. 1) 谈及一项长期活动或开始一种习惯时，使用doing. ...详情>>
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