It is common to get multiple evap lines?

Af is 9 days late. I’ve taken three clearblue early detection tests in the last two days all which have come up wth faint blue lines after the 10 min mark so I assume they are evaps. It is common to get that many evap lines in a row or is there a possibility the tests could be positive? I know clear blue is pretty bad with evaps/indents etc but to get three in a row makes me wonder 🧐 I’m so confused! 😩 Anyone had a similar experience?? Were you pregnant or no??? Help!