Identify the incorrect punctuated sentence.
A. Throwing the football, is difficult for some people.
B. Throwing the football, he pulled a muscle in his arm.
C. Throwing, the football, kicking field goals and tackling are all important.
D. Throwing the football he did not notice the coach approaching.
The incorrect punctuated sentence is:
A. Throwing the football, is difficult for some people.
This sentence incorrectly uses a comma to separate the subject ("Throwing the football") from the predicate ("is difficult for some people"). There should be no comma in this sentence. The correct sentence would be:
A. Throwing the football is difficult for some people.