start doing 与start to do sth 有什么差别?

问题描述:

start doing 与start to do sth 有什么差别?

1) 谈及一项长期活动或开始一种习惯时,使用doing.例如:
How old were you when you first started playing the piano?你几岁时开始弹钢琴?
2) start用进行时时,后面动词用不定式to do.例如:
I was starting to get angry.我开始生起气来.
3) start 后接know,understand,realize这类动词时,常用不定式to do.例如:
I start to understand the truth.我开始明白真相.
4) 事物作主语时.例如:
The snow start to melt.雪开始融化了