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over the past three years, i’ve spoken with many engineers who are looking to advance their careers by becoming a licensed professional engineer (pe). some are students fresh out of college and others are engineers who have been out of school for more than 10 years. but they both face a common problem.
a modal is a type of auxiliary (helping) verb that is used to express: ability, possibility, permission or obligation. examples of modal verbs include can, could, may, might, must, shall, should, will and would.