Asking for clarification and interrupting

Asking for clarification/more information

I´m afraid I didn't understand what you said about …

I'm sorry, I didn't catch what you said about …

I'm sorry, could you repeat what you said about .

Sorry, but I'm not quite clear on ….

I'd like to ask you about ...

I didn't understand the bit about the ...

I'm not sure what you mean.

I don't see what you mean.

Could we come back to that?

Could you explain that again, please?

What did you mean when you were talking about …

Could you be more specific about …

Could you elaborate on what you said about …

Could you expand a little bit on what you said about …

Could you give an example of .?

Could you explain … in more detail.?

Asking for information

Excuse me.

Could you tell me ...?

Could you tell me how to ...?

Would you mind telling me ...?

Do you know ...?

What happens if ...?

Something else I'd like to know is ....

Interrupting politely

If I could just come in here. ..

Sorry to interrupt, but .

I'd just like to say that ...

Holding the floor - preventing interruptions

There are two points I'd like to make:

Could you just let me finish, please