The word 'clergy' is a noun; a word for religious officials specially trained and authorized to conduct religious services; a word for people.
A noun functions as the subject of a sentence or a clause, and as the object of a verb or a preposition.
Example uses:
The clergy at the church led the congregation in a prayer service.
He was a parson. (member of the clergy)
I am a monastery clergy that is tired
Of all the clergy, bishops and abbots were most involved in political matters.
The church of Ireland catalyst group issued the call in a letter, reported to be signed by 160 ordained clergy.
The average Jehovah's Witness engaging in the house-to-house ministry is by no means subservient to the highly paid clergy of Christendom on the pulpit.
I spotted the clergyman's clerical collar almost at once, and didn't need to see him enter his workplace, the church.The clergy are the officers of the church, and the laiety are the 'civilians', so a member of the clergy is called a clergyman.
Poverty, chastity and obedience.
Jehovah's Witnesses have not 'trembled' at the clergy of Christendom; neither have we 'trembled' at the most powerful governments. After all, we are Jehovah's own witnesses, and we have 'trembled' only before Jehovah God. (There you have the word 'trembled' 3 times.)
i do not know how to use embalming in a sentence. (there is the sentence)
Some people have accused Catholic clergy of misogamy. That is to confuse a fact, the celibacy of said clergy, with an attitude, misogamy or a hatred of marriage.
So- you are asking when to use 'when' in a sentence. When you are asking how to use when in a question, you are already using when in a sentence, because a question actually is a sentence. I like to use when in a sentence whenever I like.