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Jigneshbharati
Posted: Saturday, November 3, 2018 4:09:17 AM
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Quantum numbers are the solutions of Schrodinger wave equation. These are the parameters, explaining the electron behaviour around the nucleus.
I saw the above in one of the videos about quantum numbers on YouTube.
These are the parameters.
Subject verb subject complement
What is the grammatical form and function of "explaining the...nucleus"?
Is it a reduced relative clause which modifies the noun "parameters"
Parameters which explains...

Should there be a comma before that part?
Drag0nspeaker
Posted: Saturday, November 3, 2018 4:46:11 AM

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I don't know exactly what you would call it - if "parameters" had been an object, one might call "explaining the electron behaviour around the nucleus" an object complement or an adjectival phrase modifying the object.

I suppose, in this sentence, I would call it "an adjectival participle phrase modifying 'parameters'".

I think that the comma is not really needed.


Wyrd bið ful aræd - bull!
Jigneshbharati
Posted: Saturday, November 3, 2018 4:57:19 AM
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Neurons: 10,517
Thanks. I really find it difficult to identify and the use of reduced relative clause
Drag0nspeaker
Posted: Saturday, November 3, 2018 5:21:55 AM

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Joined: 9/12/2011
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Location: Livingston, Scotland, United Kingdom
I understand.

Possibly, part of the trouble is that different grammars explain things in different ways.
One might call this a reduced relative clause.
Another might say it's a "participle phrase".
Another would call it an "adjectival phrase".
Yet another might call it an "adjectival participle phrase".

I really prefer (for myself) to use "function grammar". This explains what a group of words DOES, not 'what form does it take'?

"explaining the electron behaviour around the nucleus" says something about parameters.
So, it is adjectival - it says something about a noun.
It doesn't have a finite verb, so it is not a clause, it's a phrase.
It's a phrase, and it modifies a noun, so it's an adjectival phrase.

I don't need to know "Did the writer originally think of the clause 'which are explaining the electron behaviour around the nucleus', and then shorten it by removing the pronoun and verb?"
It doesn't matter to me what the writer thought - what matters to me is what the sentence means.

If you need to (for the purposes of your course, or tests you will take and so on) explain the FORM of the phrase, then you need to ask your teacher/tutor for help.

Almost any phrase beginning with a participle, and which modifies or explains a noun, can be expanded into a relative clause.
The form of "reduced relative clauses" and "adjectival participle phrases" are identical in many cases. You could call them either.


Wyrd bið ful aræd - bull!
renee talley 1
Posted: Saturday, November 3, 2018 5:41:13 AM
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Joined: 8/1/2018
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Whistle Dancing Applause Applause Think
Jigneshbharati wrote:
Quantum numbers are the solutions of Schrodinger wave equation. These are the parameters, explaining the electron behaviour around the nucleus.
I saw the above in one of the videos about quantum numbers on YouTube.
These are the parameters.
Subject verb subject complement
What is the grammatical form and function of "explaining the...nucleus"?
Is it a reduced relative clause which modifies the noun "parameters"
Parameters which explains...

Should there be a comma before that part?
Explaining Albert Einstein law of gravity is easy to recognize when broken down intoApplause Applause Applause Applause equal parts which is easy to understand l
Jigneshbharati
Posted: Saturday, November 3, 2018 5:41:23 AM
Rank: Advanced Member

Joined: 11/3/2016
Posts: 1,837
Neurons: 10,517
Thanks
RuthP
Posted: Saturday, November 3, 2018 12:51:17 PM

Rank: Advanced Member

Joined: 6/2/2009
Posts: 5,141
Neurons: 56,686
Location: Drain, Oregon, United States
Jigneshbharati wrote:
Quantum numbers are the solutions of Schrodinger wave equation. These are the parameters, explaining the electron behaviour around the nucleus.
I saw the above in one of the videos about quantum numbers on YouTube.
These are the parameters.
Subject verb subject complement
What is the grammatical form and function of "explaining the...nucleus"?
Is it a reduced relative clause which modifies the noun "parameters"
Parameters which explains...

Should there be a comma before that part?

I will bow to Drag0n's definition of the phrase. (It's Saturday morning and I've not yet had enough coffee.) I will, however, be far more definite on punctuation: The comma should not be there. It is incorrect.
Quantum numbers are the solutions of Schrodinger wave equation. These are the parameters, explaining the electron behaviour around the nucleus.
The phrase "explaining the electron . . ." is not an optional aside and is not an independent clause. The comma is not needed to provide a breathing break for a speaker (which is a difficult thing to determine and is a legitimate reason for a comma). The comma does not increase the clarity of the sentence. (I.e. it doesn't make the sentence easier to understand.) In fact, the comma makes the sentence more difficult to understand.

I could reword the sentence thusly:
These are the parameters which explain the electron behaviour around the nucleus.

Again, there is no comma. The last part of the sentence, in either of the versions, is an integral part of the meaning of the sentence. It cannot be removed without losing the meaning of the sentence. The underlined part of the second sentence of this paragraph is such extra information, not necessary to the meaning of the sentence (<<<as is that "not necessary . . ."). In this case (these cases) one is supposed to use a comma.
Jigneshbharati
Posted: Saturday, November 3, 2018 3:51:35 PM
Rank: Advanced Member

Joined: 11/3/2016
Posts: 1,837
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Thanks
Drag0nspeaker
Posted: Sunday, November 4, 2018 4:19:50 AM

Rank: Advanced Member

Joined: 9/12/2011
Posts: 30,383
Neurons: 179,165
Location: Livingston, Scotland, United Kingdom
RuthP wrote:
The comma should not be there. It is incorrect.

You're right.

My "I think the comma is not really needed" was an understatement!


Wyrd bið ful aræd - bull!
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