Omission is a perfectly good example of an expression technique, and is brought up in many grammar books.
The grammar section includes the passive voice of the present perfect.
There are grammar books that call these sorts of things, not modifiers, but adjuncts (A).
I'd like to ask a grammarian, isn't it possible to think of 'be + participle' like you do V C and such?
This book aims to provide an explanation of modern Japanese grammar that is as systematic and as easily understood as possible.
You should try to produce grammatical sentences.
Grammar, which I hate, is good for me.
I got the grammar lesson without difficulty.
There are grammatical principles involved.
The basic principles of grammar are not so difficult.
Your composition is correct, as far as grammar is concerned.
She grounded her students thoroughly in English grammar.
She grounded her students thoroughly in English grammar.
Her composition was entirely free from grammatical errors.
Her composition had no grammatical errors at all.
Her composition had no grammatical errors at all.
He made many grammatical mistakes in his composition.
He made many grammatical mistakes in his composition.
He has extracted a great many examples from the grammar book.