Question 1

When two independent clauses are joined by a coordinating conjunction (FANBOYS), what punctuation mark must appear before the conjunction?

Accepted Answer

A comma must be placed before the coordinating conjunction. Example: 'She studied hard, so she passed the test.'

Question 2

What is the correct way to join two independent clauses WITHOUT using a coordinating conjunction?

Accepted Answer

Use a semicolon between the two independent clauses. Example: 'She studied hard; she passed the test.'

Question 3

When should a colon be used to introduce a list or explanation?

Accepted Answer

A colon should only be used after a complete independent clause. Example: 'She bought three items: milk, eggs, and bread.'

Question 4

What is a comma splice, and why is it an error?

Accepted Answer

A comma splice occurs when two independent clauses are joined with only a comma (no coordinating conjunction). It is incorrect because a comma alone is not strong enough to connect two complete sentences.

Question 5

What punctuation rule governs the use of commas around nonrestrictive (nonessential) clauses or phrases?

Accepted Answer

Nonrestrictive clauses or phrases must be set off by commas on both sides because they add extra information that is not essential to the sentence's meaning.

ACT Grammar & Usage Mastery

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