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to do和doing有什么区别

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to do和doing有什么区别
新概念第42课有这样一句话:
We were very much surprised when the snake charmer suddenly began to play jazz and modern pop songs.
这里的began to play jazz换成began playing jazz可以吗?begin to do,begin doing,start to do,start doing有什么本质区别吗?为什么不能互换?
to do和doing有什么区别
start,begin,continue,cease这样一些表示开始,继续和结束意义的动词,既可以接to do ,也可以接V-doing,大体上说,意义没有明显的差别.但在某些有限的情况下,start to do sth 意思是指“开始去做某事”,有“潜在的可能”;start doing sth 意思是指“开始做某事”,有“实际进行”的意思.当涉及到多次活动时使用start doing更为恰当.
1) 谈及一项长期活动或开始一种习惯时,使用doing.
How old were you when you first started playing the piano?
你几岁时开始弹钢琴?
2) begin,start用进行时时,后面动词用不定式to do
I was beginning to get angry.
我开始生起气来.
3) 在attempt,intend,begin,start 后接know,understand,realize这类动词时,常用不定式to do.
I begin to understand the truth.
我开始明白真相.
4) 物作主语时
It began to melt.
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