Hey There!!
I think the answer to this is: The 3 one is. A Relative. The 4 one is. A noun. And, The last one is. adverbial.
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(4) That being said, there may be other ways to decrease the number of accidents involving teen drivers, such as offering more rigorous driver’s education classes and issuing tougher seat belt laws.
The employer is a person who has the entity which pays for or hires the services of another person while employee is an individual who provides labor to a company for another person.
