At times, it seems like a very long couple of decades.

A couple of decades back, the place was a hospital.

It had taken me a couple of decades to figure that out.

Where have you all been living for the past couple of decades?

Maybe in a couple of decades she might even work up to a smile.

Within, what seemed to Captain no more than a couple of decades.

Over the past couple of decades, there have been many changes.

Many have been saying this for a couple of decades.

It's not going to change in a couple of decades.

Over the last couple of decades, all that has changed.