Hello, 

Take note of some useful expressions shown below to sound persuasive when it comes to convincing your partner and also for interruptions. 

-Can I add something here?

-Is it okay if I jump in for a second? ……

-If I might add something…

-Can I put/give my two cents in?

-Sorry to interrupt, but…

(after accidentally interrupting someone) Sorry, go ahead. OR Sorry, you were saying…

(after being interrupted) You didn’t let me finish.

-It´s crystal clear,  ….

-Don´t be silly, ….

-Are you sure that…..

-Don´t you feel that….

-I insist on…..

-I can guarantee that…..

-You must admit that…..

-It is simply out of this world – stunning/unputdownable/etc.

-I can assure you that…..

-Honestly, I deem/reckon that…..

-Can´t you see that…..?

-Without a doubt/Undoubtedly, ……

-As you can see, …..

-In support of this/As evidence, ……