Could you help me correct these sentences in a way that sounds more natural? Could you help me correct these sentences in a way that sounds more natural?

I am on cloud nine byat the mere thought of nurturing the younger generation in order to become a useful part of the social bodmembers of society. I am on cloud nine at the mere thought of nurturing the younger generation to become useful members of society.

In my opinion, she wishes someone trustworthy could helped her unravel the discombobulating cacophony of questions in her head, giving her a silent moment of peacetranquility. In my opinion, she wishes someone trustworthy could help her unravel the discombobulating cacophony of questions in her head, giving her a moment of tranquility.

Should either be "could help her" or "had helped her."