The dog has to be trained to do so.
I was trained to do so as an Army engineer attached to the Air Force.
As the flea struggles, it pulls a carriage or a train, as if it were trained to do so.
We had a written policy allowing stressing and hooding, and our interrogators were trained to do so.
Social workers naturally, or if not are trained to do so, observe people curiously and pick up on emotions.
While all Catholic priests can theoretically perform exorcism, very few American priests are trained to do so.
No more than twenty per cent of people regularly have lucid dreams, as Joan does, but there is some evidence that you can be trained to do so.
Though off-duty officers are expected to act if they see a crime, undercover officers are trained to do so only in rare circumstances.
He's right; businesses of all kinds asked for government help after 9/11, having been trained to do so by all the businesses already getting government help before the terrorist attacks.
We know from the court martial into the death of Baha Mousa that it was standard operating procedure to hood and stress Iraqis in detention, that our interrogators were trained to do so and that it was done to prolong the shock of capture so that the intelligence gained might be better.
