SubjectI plan to say a few words ab

Subject
I plan to say a few words about ............... I'm going to talk about ............
The subject of my talk is ..........
The theme of my presentation is .............. I'd like to give you an overview of ...........
Structure
I've divided my talk into ( three) parts. My presentation will be in three parts. First.............
Second.........
Third............
In the first part............ Finally..........
Policy on questions / discussion
Please interrupt if you have any questions.
After my talk, there’ll be time for a discussion and any questions.
Please stop me if anything needs clarifying. Otherwise, there'll be time for questions and discussion at the end.