Some useful sentences and vocabulary to be used on your presentations:

1. Beginning - Short introduction 
welcome your audience
introduce your subject
explain the structure of your presentation

2. Middle - Body of presentation 
present the subject itself

3. End - Short conclusion 
summarise your presentation
thank your audience
invite questions

Introducing the subject

• I'd like to start by...
• I’d like to begin by…
• Let's begin by...
• First of all, I'll...
• Starting with...
• I'll begin by...
• I’ve chosen this topic because…

Finishing one subject...

• Well, I've told you about...
• That's all I have to say about...
• We've looked at...
• So much for...

...and starting another

• Moving on to…
• Turning to…
• Now we'll move on to...
• Let me turn now to...
• Next...
• Turning to...
• I'd like now to discuss...
• Let's look now at...

Ordering

• Firstly...secondly...thirdly...lastly...
• First of all...then...next...after that...finally...
• To start with...later...to finish up...
• Last but not least…

Analysing a point and giving recommendations

• What I mean is…
• Where does that lead us?
• Let's consider this in more detail...
• What does this mean for ABC?
• Translated into real terms...

Giving an example

• For example,...
• A good example of this is...
• As an illustration,...
• To give you an example,...
• To illustrate this point...

Summarising and concluding

• So to sum up…
• In conclusion,...
• Right, let's sum up, shall we?
• I'd like now to recap...
• Let's summarize briefly what we've looked at...
• Finally, let me remind you of some of the issues we've covered...
• If I can just sum up the main points...