get、become、change、turn、turn into 的区别？

get有"得到,获取,拿"等意思,如:I get a book.
become有"变成"的意思,如:When I gown up,I become a teacher.
change有"改变状态"的意思,如:I change my job.
turn有"轮流"的意思,如:It's your turn to clean the classroom.
turn into 有"转入,变成"的意思,如:I turn into the circle.
大概就是这样了.