A phrasal verb is a verb plus a preposition or adverb which creates a meaning different from the original verb.<br />
Example:I ran into my teacher at the movies last night.<br />run + into = meetHe ran away when he was 15.<br />run + away = leave home<br />
Phrasal verbs can be transitive and intrasitive.<br />
An intransitive verb cannot be followed by an object.<br />Example:He suddenly showed up. "show up" cannot take an object<br />
A transitive verb can be followed by an object.<br />Example:I made upthe story. "story" is the object of "make up"<br />
Some transitive phrasal verbs are separable. The object is placed between the verb and the preposition.<br />Example:I talkedmy motherinto letting me borrow the car.She lookedthe phone numberup.<br />
Some transitive phrasal verbs are inseparable. The object is placed after the preposition.<br />Example:I ran intoan old friend yesterday.They are looking intothe problem.<br />
Some transitive phrasal verbs can take an object in both places.<br />Example:I lookedthe numberup in the phone book.I looked upthe number in the phone book.<br />
You should remember that native speakers of English tend to use phrasal verbs in everyday conversation and generally reserve one-word verbs (i.e. "investigate" instead of "look into") for more formal occasions such as business letters etc.<br />
If you think of each phrasal verb as a separate verb with a specific meaning, you will be able to remember it more easily.<br />
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