I BOUGHT a can of coke.
You can only use it if you have already bought something. But you cannot say I am going to bought this can of coke.
we bought a sailboat
Selena bought a cat for her little sister
"bought a secondhand car"
After they bought the restaurant they had renamed it.
Example sentence - We bought little crabs to put in our aquarium.
She bought insolence and infest to the household.
We bought coffee as well as tea.
He just bought a new motorcycle.
I bought a lottery ticket, but I did not win anything.
I bought a brand of bread.
The word "I" is used for the subject of a sentence: I went to the store. You and I bought the book. The word "Me" is used for the object of a sentence, phrase, etc. He bought it for me.
Jack bought a quart of milk.