ensure that the co-ordinating units share a common grammatical structure. For number 5, you can choose whether you want to use two prepositional phrases, or two adverb clauses. - The manager praised ...

Punctuation is used in direct speech to separate spoken words, or dialogue ... “Okay, but let’s be really quiet.” A reporting clause after the direct speech tells the reader who is speaking.

A cluster of words can function ... can create a noun clause, which means that “the reason is because” is grammatical. There’s another reason to dislike this structure: The word “because ...