• May I interrupt you for a minute?

• If you don’t mind, I’d like to mention something.

• Before you move on, I’d like to say something.

• Can I just add something here?

• Do you mind if I jump in here?

• Just a moment, I’d like to add an example.

• I don’t mean to be rude, but may I interrupt quickly?

• Sorry to interrupt but may I ask a quick question?