This is Compound Verb ( A compound verb is a verb that uses multiple words to form a single verb ) there are four type of compound verb :- prepositional :- when a preposition combine with a verb to add detail in it. ( like :- believe in , care for ) Phrasal :- when a verb combine with a prepositional adverb . (like :- tear off , run out) Auxiliary :- when a verb combine with helping verb . and often used when talking in different tense . ( like :- was walking , will meet ) Combine single word :- when single verb made from multiple words .sometimes they are joined sometimes differently. ( like :- babysit , water proof , stir fry )
