I have questions.(Say)

[lb10186]

Activity 1: Comparative structures
I copied and pasted 4 sentences below form the first 10 items and feedback. (number1 and 7)

It can be argued that this trend was considerably more concerning than any other.
It can be argued that no other trend was nearly as/so concerning as this one.

The amendment that is now before us goes considerably further than the original option.
The original option does not go nearly as/so far as the amendment that is now before us.

According to 2 pair of sentences, 'considerably' changed to 'nearly'.

What kind of adverbs can I use for comparison sentence structure?

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I copied and pasted 2 sentences form 2nd 10 items number 9

Scotland always does not do as well as the rest of the UK when it suffers from socialism and its legacy.
Scotland never does as well as the rest of the UK when it suffers from socialism and its legacy.

Why this answer did not use "more or er"?
How about my answer is it correct?

Scotland always worse than  the rest of the Uk when it suffers from socialism and its legacy.
 
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Last thing I would like to say is that in Activity 2: Linking expressions there is linker to PDF files
that has 5 pages. In page 3 there is example about 'nevertheless'. The context of the sentence is about Japanese but the picture below is Korean not Japanese.  

[eaptutor1]

Sorry, I have taken a while to reply, but I have had a lot of marking to do.

To answer your first query, comparative sentences show there is a difference between two or more things with regard to one particular quality or aspect. Comparative adverbs can be used to show how great the difference is and "considerably", "slightly", or "somewhat" could all be used in academic writing ("quite a bit"/"a lot"/"a bit" can be used more informally). In negative sentences, it is possible to use "not nearly as...as". 

Concerning your alternative answer to the second section. I understand what you mean and it would be possible to do it this way. However, you would need an adverb not an adjective ("worse" is an adjective). So, you could also say:

Scotland always does more badly than the rest of the U.K. when it suffers from socialism and its legacy.

Finally, I know the picture in the pdf. is of Korean not Japanese, but I had real difficulty in finding a picture of Japanese calligraphy that fitted in as well as that picture did. I did wonder if anybody would notice!