The creature sat upright andtugged at the shackles binding his ankles, frankenstein uttered a piercing scream.
We will be happy to critique your correction to this fused sentence.
Fused sentence, comma splice (which is what this is), or run-on -- they're all the same -- two sentences jammed together, not punctuated correctly.
What are the TWO sentences in here and how will you correct them?
http://grammar.ccc.commnet.edu/grammar/runons.htm
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The given sentence is a fused sentence, which means it combines two independent clauses without proper punctuation or conjunction. To correct this, we need to identify the two independent clauses and punctuate them correctly.
Independent clause 1: The creature sat upright and tugged at the shackles binding his ankles.
Independent clause 2: Frankenstein uttered a piercing scream.
To correct the fused sentence, we have a few options:
1) Separate the independent clauses with a period:
The creature sat upright and tugged at the shackles binding his ankles. Frankenstein uttered a piercing scream.
2) Separate the independent clauses with a semicolon:
The creature sat upright and tugged at the shackles binding his ankles; Frankenstein uttered a piercing scream.
3) Separate the independent clauses with a coordinating conjunction (such as "and," "but," or "so") and a comma:
The creature sat upright and tugged at the shackles binding his ankles, and Frankenstein uttered a piercing scream.
By choosing any of these options, we can correct the fused sentence and make it grammatically correct.