Active VoicePassive Voice
We allowed them their choice.They were allowed their choice.
He allowed each speaker an hour.Each speaker was allowed an hour.
They showed me the way.I was shown the way.
Experience has taught me wisdom.I have been taught wisdom by experience.

The direct object after a passive verb is often called the retained object.

Note. This construction, though common, is avoided by many careful writers, except in a few well-established idioms. Its habitual use gives one’s style a heavy and awkward air. Instead of “He was given permission,” one may say “He received permission”; instead of “I was given this watch by my aunt,” either “It was my aunt who gave me this watch” or “This watch was a present from my aunt.”

254. The verb ask, which may take two direct objects,—one denoting the person, the other the thing,—sometimes retains its second object in the passive construction ([§ 103]).

PROGRESSIVE VERB-PHRASES

255. In addition to the tense-forms already described, verbs have so-called progressive forms.

The progressive form of a tense represents the action of the verb as going on or continuing at the time referred to.

Both ate and was eating are in the past tense. But ate merely expresses a past action, whereas was eating describes this action as continuing or in progress in past time.