Do you admit your fault / guilt? - ok
Do you accept your fault / guilt? - ok
I have fully allocated my time for this. - ok, not entirely clear in detail. Do you mean that you are now "full time" on this and nothing else? Or perhaps that you must account for every moment you spend on this: ie no free/unrecorded time
If I do this, it's because I want to.- ok
If I'm here, it's because I want to be with you. -ok
If nothing extraordinary happens, I'll be there next week. - ok
If anything extraordinary doesn't happen, I'll be there next week. _ not so good like this. The other is better
As long as nothing extraordinary happens, I'll be there next week.
If anything ... doesn't .... is not used like this
If anything does not work we will fix it.