Simple Sentences:
* The movie will begin at 7:00 PM.
* The journey begins with a single step.
* The meeting will begin promptly at 9:00 AM.
* Let's begin our work now.
More Complex Sentences:
* Begin by reading the instructions carefully.
* The day began with a beautiful sunrise.
* We began to understand the problem after some research.
* Beginning with a simple idea, they built a successful business.
As a Noun:
* The beginnings of the universe are a mystery.
* The beginnings of the story were quite interesting.
As an Adjective:
* This is a beginning course in Spanish.
* This is a beginning writer.
As a Gerund:
* Beginning a new project is always exciting.
* Beginning to learn a new skill can be challenging.
Remember: "Begin" can be used as a verb, noun, adjective, and gerund. Choose the form that fits best in your sentence!