begin doing中的doing是动名词还是现在分词

begin doing中的doing是动名词还是现在分词 是begin to do还是begin doing 或是都可以? 是begin to do sth还是begin doing sth? begin to do/begin doing的区别 begin to do or begin doing ? begin doing sth 造句谁会? 有没有begin doing sth? begin work?begin work解释为开工,但begin应该只有begin to do/doing的用法吖,为什么不是begin to work,难道是固定或者口语? 有个英语begin的用法不大清楚,英语begin有begin to do sth.和begin doing sth.其中的区别是什么,有什么用法? start / begin doing 与 start / begin to do 是什么 begin to do sth 和 begin doing sth begin to do sth和 begin doing sth的区别 begin to do和begin doing 的区别 begin doing |和begin to do 的区别? begin to do跟begin doing有什么区别吗? begin to do and begin doing 有何区别呢? begin to do,begin doing,start to do ,start doing有什么区别? begin to do sth begin do sth begin dbegin to do sth begin do sth begin doing sth哪个有错