First of all...

First of all, Dave,

...the first of every month.

First,

Except, of course, your first name.

His first order of business:

Look, it's the first day of school.

...with shoot-first clearance.

First or last name? First.

First night.

Safety first.

All right. First order of business.

Okay. The first order of business

First of all, it's pronounced "Eve-lyn."

the first three chapters of my book.

The first of the month, rent is due.