Introducing your first main point
Now, I’m going to start by … Now I’d like to focus on … First we’re going to look at … Let’s start with …
The first problem I’d like to focus on is that of …
Turning then to my first point, ...
To begin with I’d like to say a few things about… I’d like to begin by …
OK, so let’s start by looking at ....
I’d like to take a minute or two to define what exactly we mean by ... I’d like to mention three points here, ...