(1) means that you find the circumstance/opportunity to do your homework. It does not mean the same as "I start to do my homework". (2) and (3) seem like fairly loose English to me.
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langtraveler Thank you GPY. But doesn't "get to" mean "start to" as well as "have an opportunity to?"For example, "When people get to know me, they get to like me.""get to" can have a variety of meanings. It has a different meaning in "get to know" and "get to like" compared to "get to do my homework". In "get to know" and "get to like" it is closer to "start
langtravelerSo when one says about something kind of a state, "get to" could mean "start to" or "grow to,"(although I'm not sure about this one) while when something is concerning a behaviour, like "do homework," it could not.Do I understand what you meant well?Unfortunately it may not be that simple. For example, "belonging" would be considered a state, and
langtravelerWhen "doing homework," or "belonging to something", there is a clear start point, while it is quite hard to point where "knowing" or "liking" exactly starts.That's a good point. Probably for something that has a clear start point, the meaning of "get to ..." cannot be like "get to know" or "get to like". There is also a feeling that "get to know",