Student or Learner
1) What do I have to do after I arrive there?
2) What do I have to do? After I arrive there.
3) After I arrive there, what do I have to do?
I know that #3 is a good way of writing and I was wondering where I have to put the question mark if I want to start with question sentences? Could you help me, if you do not mind? Thank you so much and have a good day.
1 and 3 are fine.
2 is ungrammatical.