But no one really knows if it will come and how it will come

Can you repeat this sentence, but add in punctuation?
But no one really knows if it will come and how it will come?
To prevent large skin tears you must handle and restrain the affected dog carefully and always inform visitors of the dogs condition so that accidental injuries do not occur

Can you repeat this sentence, but add in punctuation?
To prevent large skin tears, you must handle and restrain the affected dog carefully, and always inform visitors of the dog's condition so that accidental injuries do not occur.
After variable cloudy but mostly dry weather in the morning we can expect mainly cloudless weather

Can you repeat this sentence, but add in punctuation?
After variable cloudy, but mostly dry weather in the morning we can expect mainly cloudless weather.