As the years went on, contact with their mother and stepfather grew less frequent.

They were indeed growing more frequent; the last one had only been a few weeks before.

They had grown so frequent, in fact, that he hardly noticed most of them anymore.

As she flew on toward the Baltic, they grew ever more frequent.

These letters grew increasingly frequent and more severe as he aged.

Now the windows grew less frequent, and the bricks were closing in.

But in recent months, the attacks have grown more fierce and frequent.

At first he came to visit her and then the visits grew less frequent.

She'd walked the streets and watched the murders growing more frequent.

The protests are growing more frequent, but no larger than a few hundred participants.