My analysis of compound complex sentence broken down. Is it correct?

Question

Hi everyone,

I am interested in finding out if the sentence is correct and if I am correct in my analysis. If not, I would like to know where I went wrong.

Here is the sentence:
Once I have completed implementing the changes, I will contact you, and we will schedule a remote session for you to see the finished product.

I have broken it down below:

Dependent clause: Once I have completed implementing the changes
Independent clause: I will contact you.
Coordinating conjunction: , and
Independent clause: We will schedule a remote session for you to see the finished product.
Complex sentence: Once I have completed implementing the changes, I will contact you.
Compound sentence: I will contact you, and we will schedule a remote session for you to see the finished product.
Compound Complex sentence: Once I have completed implementing the changes, I will contact you, and we will schedule a remote session for you to see the finished product.

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Broken down more granular:

Once I have completed implementing the changes, I will contact you, and we will schedule a remote session for you to see the finished product.

Subordinating conjunction: Once
Subject: I
Verb: have completed
Direct Object: changes
Participle phrase: implementing the changes
Participle: implementing
Article: the
Object: changes

Subject: I
Verb: will contact
Direct Object: you

Coordinating conjunction: , and

Subject: we
Verb: will schedule
Article: a
Adjective: remote
Direct Object: session
Prepositional phrase: for you
Preposition: for
Object: you
Infinitive phrase: to see the finished product.
Infinitive verb: to see
Article: the
Adjective: finished
Object: product

AlpheccaStars · Accepted Answer

Hello Rex;

Welcome to English Forums!

The lexical analysis (labeling the constituent parts) depends on whose grammatical system you are using.

For example "implementing the changes" in traditional grammar would be a gerund phrase. A gerund is a present participle used as a noun. Some systems use the label "verbal" for these verb forms that take on other syntactical functions.

In modern (Huddleston and Pullum) grammars, it would be a clause. Its function is a noun, object of the verb "have completed".

GrammarianasaurusRex · Answer

Yes. I went back and forth on "implementing the changes"

When I looked up gerund I found the following:
Gerund: A gerund is a noun made from a verb by adding "-ing."

Here was my thought process:
"implementing" in the context of the phrase "implementing the changes" didn't seem to me like it was acting as a noun.
"implementing" in the context of the phrase seems like an action.

I appreciate your feedback.

Thanks, AlpheccaStars

AlpheccaStars · Answer

When you have doubts about an -ing verb form, try substituting something that you are sure of in its place.

For example:

Once I have completed implementing the changes, I will contact you.
Once I have completed the musical score, I will contact you.
Once I have completed the project, I will contact you.

What is the grammatical function of the bold-faced phrases? They all have exactly the same role in their sentences.
Next, you can look at this substitution.

Once I have completed what I promised you last week, I will contact you.

GrammarianasaurusRex · Answer

I'm thankful that you have clarified it for me.

My analysis of compound complex sentence broken down. Is it correct?

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