be, get, become ~~

be : 상태

get : 상태의 변화

become : 변화의 결과

예시1)

Up until a year ago, we were complete strangers.

But after we met at a party, we got really close(r).

Now, we have become best frients.

예시2)

I was really sick.

But after some time, I got much better.

And now I`v become completely cured.

예시3)

He was the slowest person in our class.

But he exercised really hard, and got much faster

And now, he has become the fastest  person in our class.

예시4)

The place used to be completely empty.

But after a lot of development, the place got much more popilar.

And now it has become one of the most popular places in my neighborhood.