verb
begin
bih-GIN/bɪˈɡɪn/
To start or come into existence.
The runner begins a sprint from the starting blocks.

Etymology
Old English beginnan meant to attempt or undertake something. The modern meaning focuses on the first step of that undertaking, or on causing something to come into existence.
In context
I advise people to focus on a story to begin their presentation. Now if you think about stories, stories begin with a time frame Just look at fairytales. They start with once upon a time
More examples
- Rain began before we reached the shelter.
- The meeting has already begun.
- They are beginning to understand the problem.
Forms
begin · begins · began · begun · beginning
beginner noun — Someone just starting an activity.