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Sentence Correction: Dangling Modifiers - Overview

Originally developed for American college students, Mark Zuckerberg founded Facebook while still a student at Harvard University.

Well done!

This sentence begins with a modifier: Originally developed for American college students. We can tell it's a modifier as it appears at the beginning of the sentence, is separated from the rest of the sentence with a comma, and there is a verb in the 3rd form in it (developed).

A modifier is a Stop Sign. If we encounter a modifier in a Sentence Correction question, this is what we should focus on. We have to make sure that the modifier is placed right next to the noun it describes.

The only thing that this modifier can logically modify is Facebook, as it's hard to imagine that Mark Zuckerberg was developed for American college students...

Since a modifier should be right next to the noun it describes, and in this answer choice Facebook is quite far from the modifier that describes it, this answer choice is incorrect.

This answer choice repeats the original Dangling Modifier mistake.

The sentence begins with a modifier: Originally developed for American college students. We can tell it's a modifier as it appears at the beginning of the sentence, is separated from the rest of the sentence with a comma, and there is a verb in the 3rd form in it (developed).

A modifier is a Stop Sign. If we encounter a modifier in a Sentence Correction question, this is what we should focus on. We have to make sure that the modifier is placed right next to the noun it describes.

The only thing that this modifier can logically modify is Facebook, as it's hard to imagine that Mark Zuckerberg was developed for American college students...

Since a modifier should be right next to the noun it describes, and in this answer choice Facebook is quite far from the modifier that describes it, this answer choice is incorrect.

In addition, this answer choice also changes the meaning of the original sentence by replacing the verb founded with the verb found. Founded is the past form of the verb found, which means to establish, to take the first steps in building. Found is both the base form of the verb found and the past form of the verb find

While this answer choice corrects the original Dangling Modifier mistake, it is grammatically incorrect because the singular subject Facebook does not agree with the plural verb were

While this answer choice corrects the original Dangling Modifier mistake, it changes the meaning of the original sentence by replacing the verb founded with the verb found. Founded is the past form of the verb found, which means to establish, to take the first steps in building. Found is both the base form of the verb found and the past form of the verb find.

Mark Zuckerberg founded Facebook while still a student at Harvard University
Mark Zuckerberg found Facebook while he was still a student at Harvard University
Facebook were founded by Mark Zuckerberg while he was still a student at Harvard University
Facebook was found by Mark Zuckerberg while he was still a student at Harvard University
Facebook was founded by Mark Zuckerberg while he was still a student at Harvard University