Of course you can, it's a word.
Yes, of course. A word you couldn't use in a sentence would be a pretty poor excuse for a word.
The captain set an unerring course for home.
Of course there is nothing wrong with that!From, The word master
She neede to pass the survival course to survive!
Let's just steady our course, for the foreseeable future.
Of course you can. There is no word in English that cannot begin a sentence.
"The length of her hair was so long that it touched the ground." Exaggerating, of course
After eating a huge, four course meal, i felt lethargic and bloated.
I am taking a course in business management.
of course you can! =]
Of course you can.