「なる」と「する」の使い方

Front 1

～ことになる

Back 1

decision made by someone else, logical conclusion

Front 2

～ことになっている

Back 2

customs, express plans/what's suppose to be, make sure their stories agree (generally a lie, but offers a reasonable reason to avoid neg consequences)

Front 3

～ようになる

Back 3

it's come to be that (able to do something that was not possible before)

Front 4

～ようになっている

Back 4

is set up for

Front 5

～ことにする

Back 5

decided by self, pretend as if

Front 6

～ことにしている

Back 6

make a habit of ~

Front 7

～ようにする

Back 7

make effort/attempt to do something

Front 8

～ようにしている

Back 8

continues the hard work, set up for