We will have been married (for) thirty years next year.

[hirashin]

Hello, native English speakers,

Can you use (a) and (b) interchangeably?

(a) We will have been married for thirty years next year.
(b) We will have been married thirty years next year.

Thanks in advance.
Hirashin

 

[mdchachi]

Yes I think so.

 

[hirashin]

Thanks, mdchachi.