Verbal Phrases

In the sentence below, are the words in bold letters a participial phrase?

Letting the dough rise twice is the secret to making good bread.

In the sentence below, are the words in bold letters a gerund phrase?

Red Adair's crew, working around the clock, was able to put out the oil refinery fire.

In the sentence below, are the words in bold letters an infinitive phrase?

To keep the reactor from overheating, the engineer switched on the emergency cooling system.

In the sentence below, are the words in bold letters a gerund phrase?

Firefighters carried the frightened people from the burning building.

In the sentence below, are the words in bold letters an infinitive phrase?

My organization is planning a trip to a training seminar this summer.

In the sentence below, are the words in bold letters a participial phrase?

The man, saddened by the loss of his wife, prefers to live alone.

In the sentence below, are the words in bold letters a participial phrase?

Aiming carefully, the hunter squeezed the trigger.

In the sentence below, are the words in bold letters a gerund phrase?

Knowing how to deal with the public is an important part of a salesperson's job.

In the sentence below, are the words in bold letters an infinitive phrase?

One of Bill's goals in life is eventually to own a repair shop.

In the sentence below, are the words in bold letters a gerund phrase?

Without water, the crops dried up quickly under the heat of the scorching August sun.