What Having An Etui Stranger Things Says About Your Fandom

Actually all 3 of your sentences are easily understood and show a certain type of possession I'm having some problems I'm have some difficulties with something I'm having trouble I'm having difficulty doing something I'm having some ideas I'm in the middle of creating a few ideas The last sentence might be very informal and said while pacing back and forth after being asked "What are you doing ... What is the difference: have or having - English Language Learners ... What are the differences between the two following sentences? She recovered well after stopping the pills. She recovered well after having stopped the pills?