I might drop in to see you later if I have time
Feel free to drop in anytime you're in the neighborhood
They decided to drop in unexpectedly on their friends
She said she'd drop in after work to help with dinner
Could you drop in at the store and get some milk?
Hey, I'm organizing a small get-together this weekend. Would you be free to drop in?
Oh, that sounds fun! What time were you thinking of starting?
Great! We're planning on starting around 7 PM. Would you want to drop in before or after dinner, or just stay for the evening?
I might visit you later if I have time
I might stop by to see you later if I have time