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 A phrasal verb is a verb that changes its meaning when it is combined with an adverb or a preposition. In some grammar book a preposition or an adverb used in phrasal verb called particle . I give up smoking --- give up means to stop smoking They called up the president The preposition up, in, down, and on accompanying phrasal verbs have become particles rather than prepositions or adverbs since they no longer always express place or direction (Gelderen, 2010) a. Separable Transitive Phrasal Verb have parts that can be separated by the direct object of the phrasal verb through application of the particle movement rule. - Let's figure out the solution to the problem. - Let's figure the solution to the problem out . ask out, hand in, blow out, pick up, make up, look up, put down, write down, turn on, turn off b. Inseparable Transitive Phrasal Verb The splashed out on new office furniture ---- not The splashed it out  call on, catch up, check in, check out, drop in, drop ...