This ruins the structure of the dance which is otherwise characterized by an alternation between ecclesiasticals and lay people

Can you repeat this sentence, but add in punctuation?
This ruins the structure of the dance, which is otherwise characterized by an alternation between ecclesiasticals and lay people.
Mr Hebert is back and this time he has escaped from the local hospital

Can you repeat this sentence, but add in punctuation?
Mr. Hebert is back and this time he has escaped from the local hospital.
Once it has entered into force suspects of a criminal offence must be informed of their rights in a language they understand

Can you repeat this sentence, but add in punctuation?
Once it has entered into force, suspects of a criminal offence must be informed of their rights in a language they understand.