Verb conjugation of "crackle" in English

The billing of additional working hours is not justified, since it was our request to download the software and wait for the new version. They have admitted the error of the translation.
Well, you're already here ... would you ever have thought that I'm a member in facebook? You are a funny guy. What else is happening? Did you already settle down in your new country of choice?
I'm helping you with Spanish and you can help me with English. How did you teach yourself the grammar? Here in Zurich it has being raining for 5 days and we have spent most of the time in front of the TV.