Seem is a verb that means to appear like, to look like, or to sound like. Example sentence:
You seem to be tired.
LONG AND COMPLEX SENTENCES
they make it seem as if time within the story has slowed.
Sentences can be joined in a variety of ways. The most common is by use of a conjunction. The most common conjunctions are "and," "but," and "or." Keep in mind that a sentence is a phrase, and conjunctions join words, phrases, and clauses.
There does not seem to be any such classification of adjectives. There are conditional clauses in sentences, and those that use modal verbs (can/could, will/would).
To use a sentences in industrialization you have to...
complications are common during a surgery. This is one of many examples for sentence use.
A fronted adverbial is the use of an adverb to begin a sentence, as in to make your sentences seem more appealing to a reader, and to create a specific effect.
They soon found out, they had a lot in common
in sentences
I'm not sure that I like what you seem to be trying to infer.
The common name "larkspur" is shared between an annual and a perennial species of flowering plants.
Some common conjunctions used to join simple sentences and form compound sentences are "and," "but," "or," "so," and "yet."