I don’t understand the question
Passive. The subject, "children," is not doing the action. Also, a sentence is passive when a form of the verb "to be" is followed by a past participle- in this sentence it is "were taken." To make the sentence active, it would have to state "Five children went to the zoo" or "Someone took five children to the zoo."
It is a mother's instinct to protect her children.
I saw three children riding in a dogcart.
those are some wacky clothes you are wearing.
Alexander's ursine behavior scared the children in the daycare center. The man in the fancy restaurant had a big ursine appetite.
so that when people are grown up they know how to write a proper descriptive sentence
The donor demonstrated his magnanimity when he gave a million dollars to the new children's hospital.
Knowing how to use a word in a sentence is very important in learning the word meaning. A sentence with the word absence is;Their mother's absence , had the children worried, they had not seen her all day."
The children are learning how to tie there shoes today during class.
Example sentence - Learning to get along with his children proved to be quite stressful.
The children aren't learning, but the day of the final exam is coming! That would be more accurate.
the abnormal size of the balloon scared the children as they ran by.
The complaisance of the candidate demonstrated is acceptable.
I demonstrated to the class on how to work the machine that was broken.
the athletic demonstrated how to launch a javelin at the target
The swimming instructor, demonstrated on how to do a perfect dive.
When learning new words, it is important to know how to use them. They walked upriver to find the start of the river.