You're right that "would" is complicated. Your examples of polite usage are correct. Sadly there are no easy rules, so your question is too general to be answered in a forum like this. You need a good textbook. I will tell you one thing:

I agree that "will be void" is the adjective and "will be voided" is the verb. Either alternative is acceptable in my view.

If it's an excerpt from a book then it's probably deliberately imitating regional speech patterns. It's okay as an example of everyday colloquial usage. The meaning is clearly: "Oh! I wish Dixieland were still like Heaven, when her schools

All are wrong. Sentences must begin with capital letters and end with full stops (periods). Any variant of "I" must be capitalised. "I've" has an apostrophe. These are absolute, basic, bedrock rules that you must satisfy before moving on to

Yes, you are right and they are wrong.

Grammatically they're okay, but the use of "someone" would be odd unless there is a special context. Someone usually means "anyone", whereas trust is usually something expected from a particular person known to you. Cheers John.

There are all sorts of suffixes in English to denote "like" or "in the nature of" or "related to". e.g. cell cellular three tertiary metal metallic red reddish mood moody The "rule" as to which suffix goes with which word would

It's frequently heard, but I personally find the term irritating and pretentious. It's business/marketing jargon.

It should be What is your location. "Where" means "at what place", so a location can't be "at" a place - it is a place! Cheers John.

It is in bigger dictionaries. This gives me an excuse to try out the macro function on my camera. Please click here to see the Shorter Oxford entry for this word. Cheers John