If you are good at English grammar and component analysis, let s take a look at 5

a relation of yours is coming to see you.

The subject of the sentence is a relation of yours.

The predicate is coming to see ,The present continuous tense of come is used to represent the future tense

The object is you.

It form bai subject's verb not as hardpredicate du (for them to transform their thought processes as it is for older students, infinitive, compound, zhi structure, true subject, dao

for them bin to transform their thought processes bin complement (as it is insert special.

For older students, changing their thought process is not as difficult as it is for older students.

The first as is quite copied from so, as an adverb modification.

raid hard, which means "so; So bai

it's not as so hard The main form is du, and it is the formal subject zhi;

for them object adverbials, when translating, you can translate dao first;

to transform their thought processes sentence real subject;

as it is for older students as clause as adverbial, as it is already an idiom meaning "like." That's the case; According to. the way it looks".

So this sentence can be translated as "For them, changing their thought process is not as difficult as it is for older students." ”

as a method of spanning space is a prepositional phrase as a way adverbial. leads to compare adverbial clauses. The comparative adverbial clause in the question is an abbreviated sentence, omitting the predicate can support certain weight, leaving only the subject a horizontal beam.

There is a clear difference between modal adverbials and insertions: modal adverbials are a necessary component of a sentence and cannot be omitted; The insert is an independent component of the tong ruler group and can be omitted.

where leads to a non-restrictive definite clause, and the modified antecedent is it, i.e., the deck of an arched bridge.

by the vertical elements on either side of the arch is a prepositional phrase as a way adverbial. By leads to the executor of the action bureau orange bear.

This engineering principle of compressive stress distributes the pressure of the vault to both sides, and the vertical objects on both sides of the arch bear the pressure.