Объясните, в каком времени употреблены слова в скобках, и напишите, почему вы выбрали это время. I (know) that it's quite

I know( знаю сейчас, поэтому употребляется Present Simple) that it\'s quite a while since I last wrote to you but for the past few weeks I have been doing (Present Perfect Continuous, процесс, который начался несколько недель назад и продолжается) so many things at the same time that I hardly had time for have I told (Past Simple, говорил раньше) you that my school is holding (Present Continuous, планы на будущее) a big dance next week ? We are celebrating (Present Continuous, планы на будущее) the end of the school year. As I am a member of the organising committee, I spend (Present Simple, действие происходит постоянно) most of my time after school trying to work out the details of the event. Do you have (Present Simple, действие регулярное) any good ideas to give me ? What about you ? What have you been doing (Present Perfect Continuous, действие началось в прошлом и продолжается сейчас) lately ? Are you still working (Present Continuous, процесс) at your dad is shop after school ? You known what ? I have just had a great idea!