For the first sentence, you could also replace "could" with "might".

"Would" basically means "will do so, in the future". In this context, in gives an impression of "I would do that, if this happened".

"More bounce to the ounce" isn't all that common here in America, either, but "more bang for your buck" is a commonplace statement.

Is there any particular area you feel you need help in? Perhaps vocabulary, grammar, or pronunciation? Unfortunately, simply saying you would like fluency in English doesn't allow us to help you.

I have a southwestern American accent, and I would pronounce "Massachusetts" as /mass uh choo setts/, just about like it is written.

In this case, "Either the students or the teachers are reading the books", either does not affect "students". The sentence could also read "Either the student or the teachers are reading the book". The first sentence means that many students or

All three sentences are correct and mean almost the exact same thing. Sentence 2 and 3 mean pretty much the same thing in this case. Sentence 1 is a little different in that it is saying that every single tree in the world is green, and sentences

Sentence 2 is correct, because "they" is a plural pronoun meaning several people, and "friends" is the plural form of "friend". Sentence 3 is correct in the second group, because "this" is singular, and "book" is singular. If you wanted to make

"I'd" never means "I had", and "It's" never means "it has". "I'd" means "I would", and "It's" means "it is". If you wanted to shorten "it has" in America, you could use "it's got" in place of it.

"Heck" is a rarely used word in most situations. I'm not much of an expert on British English, but I can tell you that most people in America would stare at you if you said someone had a "heck of a cheek". "Heck of a nerve" is used occasionally,