1. This year may I wish you finally learn how to use your smartphone properly.
2. This year may I wish you finally learn how to use your smartphone properly?
[Do we have to use a period or a question mark?]
2 answers
a period I would think.
Yes, a period. It's not a question, it's a statement. You wish this will happen. It would be a question if you ASKED, "This year, can you learn to use your smartphone properly?"
1 answer