For the first one you can write where are you going in a complete sentence with a place
For the second one you can write With who are u going and add a name and of course in spanish, oh and At the begining of the sentence write Yo voy con... for the second one and for the first write Yo voy a...
For the third question you can write How often do u go like Yo voy a (the place u go, so the first question answer) the amount of times u say u go (for example Yo voy al mercado cada semana)