「英语口语天天说」交谈时需要打断别人时，我该怎么说？

1. Sorry to interrupt, but…

2. (另外两个人正在交谈时，我们该如何礼貌地插话？）Excuse me – could I talk to you for a minute? / do you have a minute?

3. (打断一群人的谈论时应该这样说) Could I jump in here?

4. Sorry – I just want to say that…

5. (正式场合)May I have a word?