Hello, there! I don't really get your question, but, I hope this helps.
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Pronouns are words that replace nouns. <em>For example; 'she' represents 'Sara' or any other girl.
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There are many types of pronouns.
I, we, us, me, she, he, it, they, them, etc. are examples of pronouns we use everyday.
You should put a screen shot and we can help you
The sentence contains misplaced modifier.
According to the sentence, the one got hit by the car was Gunther. However, putting "I" as the subject of this sentence means that "I" was the one got hit. ("Having just been hit by a car" and "rushed over..." were done by the same person - "I")
So that, this sentence should be corrected, the following is an example:
<em>"Gunther had just been hit by a car, I rushed over to see if he was breathing."</em>
What is the context to this question ?