If you keep on writing, you will have brighter future, likely to become J. K. Rowling.
Be sure to go to the concert with me, _____?
_____ has already been pointed out, grammar is not a set of dead rules.
.---There is a lot of smoke coming out of the teaching building. ---Really? It _____be a fire, most probably.
–Did you find your new dictionary? ---Yes. I found it ____I had left it.
–Will you ______me ____out this problem myself? ---OK.