Phrasal verbs are two-word phrases consisting of a verb and either an adverb or preposition. Some common phrasal verbs include: 1) "Add up to" which means equal or amount to a total, such as purchases adding up to $205.32. 2) "Break down" which can refer to a vehicle or machine stopping its functioning, like a car breaking down on the highway. 3) "Blow up" which has a meaning of adding air, as in blowing up 50 balloons for a party.