Examples of using "Başlamazsan" in a sentence and their english translations:
Unless you start now, you'll be late.
If you don't start at once, you will be late.
Let me tell you what's going to happen if you don't start behaving yourself.
Unless you started learning English as a child, you're unlikely to ever sound like a native speaker.
If you don't start treating people with a little more respect, people may start avoiding you like the plague.