And why do they, when released from psychiatric control, frequently stop taking their drugs?

She had to stop frequently to rest her arms.

He would frequently stop meetings to find out who had called a particular long-distance phone number.

The units had to be frequently stopped because of break downs.

She stopped frequently to listen for voices or the sound of horses.

But now they stopped frequently and listened to the sounds of the dark.

I stopped frequently to listen, but there was nothing to hear.

Stop frequently in your reading to think over what you are reading.

She had to drive slowly, and stop frequently to let the motor cool.

He stopped frequently to listen and to survey the area ahead.