You can use boost or breakthrough idiomatically or both to describe an improvement.

Why do we have this word order for something that is “given”, “attached”, etc.? is typical in some other languages, but somewhat awkward in English.

See this discussion about using “attached is”. And here is a German example of ‘given’ at the beginning of a sentence.

What is your take on “An American sentence is written in a different way”? What is a chart showing the proportion of

• graduates to work in different sectors of the economy in the UK in 2004. In a verbal presentation
• the figure below shows the percentage of graduates working in different sectors of the economy in the UK in 2004. In a paper or report,

what is the information for which it is sought?

Where the second “not only” should be “only” to make a logical sentence. What is the origin behind this article? Is it published deliberately?

For a completed sentence, I personally perfer “but also” over “but” (although “but” is allowed according to credible sources, for example in the Cambridge dictionary). With a long sentence like this one, the idiomatically “but also” could also help a reader. (adjectively, not just as a dictionary word)

“means” applies to both parts of the sentence, so it should be placed before “not only”.

Given the 50:50 split,

polygamy is not only a separate matter, but doesn’t make men do anything in the pecking order if they have a choice. It’s also a feisty and a sinister combination that some men are right with doing (or arguing with) two women. What will you deal with if a woman gets nothing?

What is the meaning of “nonexistent” in a general sense?

If someone wishes to go to another city or city, saying and writing “I will go” is very unlikely to be understood as well. In modern English, the verb “will”, is used as an auxiliary verb, and a such it does not carry the meaning of the noun “will”.

I am unwilling to go? This is a common and well-understood phrase.

I would not interpret “shall” as “must” as you suggest, except where it means something like “required in order to comply”. “Should” is not quite used nowadays, but it suggests an solemn promise.

Note that the verb “want” also has a different “original” meaning, similar to “miss” or “lack”. With that meaning, you can still find it as “wanting”.

English verbs have various history…