Which preposition should I use?

on

tamguatlayHe was jailed for 16 months for / on two counts of *** with the girl, then 15.

Depending on how the context is formed. With, of, on, and for are all possible, Personally, as it is written, it is not entirely syntactically, and semantically smooth in terms of legal terminology and proceeding aspects, at least in English spe

He went to prison for 16 months because he was charged and convicted on / with two counts of *** with a 15 year old.
He was behind bars for 16 month as a result of two felony counts of *** with a 15 year old.

Are hyphens needed in 15-year-old, as shown? Or are they optional?

Thanks.

grammarfreak tamguatlayHe was jailed for 16 months for / on two counts of *** with the girl, then 15.Depending on how the context is formed. With, of, on, and for are all possible, Personally, as it is written, it is not entirely syntactically, and semantically smooth in terms of legal terminology and proceeding aspects, at least in English speaking countries. Jail - is u

enoonPlease do not answer when you don't know the answer.

Enoon,
Do you see a target in all my posts? I disagree. I only suggested these were the possible scenarios with the possible use of the preps. . What is wrong with " ....charged and convicted "? I am not going to continue this path of negative exchange. I respect your knowledge on English, but you

grammarfreakWhat is wrong with " ....charged and convicted"?

Reread my post. The two words take different prepositions there, and you don't go to jail for being charged.

It's "knowledge of English."

He went to prison for 16 months because he was charged and convicted on / with two counts of *** with a 15 year old. He was behind bars for 16 month as a result of two felony counts of *** with a 15 year old.

Are hyphens needed in 15-year-old, as shown? Or are they optional? Thanks.

I would be grateful if someone answers the above questions.

Standard practice is to use hyphens.