We say...
I bought a hat yesterday.
I bought a bag yesterday.
Would it be strange if I said, "I bought my hat yesterday" since only someone else can buy my own stuff, not me?
What if I was wearing the hat I bought yesterday and said, "I bought my hat yesterday"?
I bought a hat yesterday.
I bought a bag yesterday.
Would it be strange if I said, "I bought my hat yesterday" since only someone else can buy my own stuff, not me?
What if I was wearing the hat I bought yesterday and said, "I bought my hat yesterday"?