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Zorluk: OrtaCommas with Lists, Clauses, and Coordinate Adjectives

While conducting fieldwork in the remote alpine valley, the glaciologist recorded data on the swift, erratic movements of the melting glacier, and she promptly transmitted the findings to her research team.

Which choice produces the most grammatically correct sentence?

  1. NO CHANGECevap
  2. B
    swift, erratic movements of the melting glacier, she
  3. C
    swift, erratic movements of the melting glacier; and
  4. D
    swift, erratic, movements of the melting glacier, and

Cevap

The correct choice is the original wording because it properly uses a comma between coordinate adjectives ('swift, erratic') and a comma before a coordinating conjunction ('and') joining two independent clauses.
The original text correctly places a comma between the coordinate adjectives 'swift' and 'erratic' to separate two modifying words of equal weight. Additionally, it places a comma before the coordinating conjunction 'and' to properly connect two independent clauses.

Adım Adım Çözüm

1
Evaluate the adjectives modifying 'movements'
'Swift' and 'erratic' are coordinate adjectives because they can be joined with 'and' ('swift and erratic') and their order can be reversed ('erratic, swift') without changing the meaning.
Coordinate adjectives require a comma separating them.
2
Evaluate the clause boundary following 'glacier'
The clauses before and after 'and' are both independent ('the glaciologist recorded data...' and 'she promptly transmitted the findings...').
Two independent clauses joined by a coordinating conjunction require a comma before the conjunction.

Anahtar Kavram

Commas with Coordinate Adjectives and Independent Clauses
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Commas with Lists, Clauses, and Coordinate Adjectives

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