Self-introduction 自我介绍
Good morning， I'm —— and I've been invited to give this talk/ presentation / lecture because——
I have done research in / I have a special interest in / my experience is in
Introduction of Topic 话题介绍
In my presentation/talk/lecture today I shall be dealing with——
The subject of my —— today is ——
What I'd like to do today is introduce/suggest/ analyse/ describe / explain
My topic/subject today is ——
I shall be dealing with 2/3/4…。 main areas/topics/subjects today
Describing Sequences and Timing 程序介绍与时间安排
First I want to /spend a few minutes outlining ——/remind you of the background to/summarise the ——/explain——/ present——
Next I shall——/after that I will take the opportunity of describing——/
Then we'll look at——
Finally I want to——
Highlighting Information 重点介绍
（Rhetorical questions）
So， what does that mean？/How can we interpret this？/What's the explanation for this？/What are the implications of these findings？
（Change of focus）
What that tells us is/What I'm suggesting is/What is clear is that
（Introducing auxiliary verb）
So clearly we do need to——/Obviously they did understand that——/ Of course you do wan to know why——