A phrasal verb is a combination of a main verb and one or more particles, usually prepositions or adverbs. The meaning of a phrasal verb is often different from the meaning of the verb and the particle separately. Phrasal verbs are common in everyday English and often replace more formal verbs in conversation. Many phrasal verbs can be followed by an object, and some can split around the object.

Most phrasal verbs are formed as verb + particle, and some are verb + particle + particle. The particle changes or completes the meaning of the verb. Some phrasal verbs are transitive and take an object, while others are intransitive and do not take an object. Some transitive phrasal verbs are separable, meaning the object can come between the verb and the particle.

Rule
A phrasal verb combines a main verb with a particle to create a specific meaning.
Some phrasal verbs are separable and allow the object to come between the verb and the particle.
Some phrasal verbs are not separable and keep the verb and particle together with the object after them.

Certain phrasal verbs appear frequently in spoken and written English. Learning their meanings as fixed combinations helps with understanding and fluency. The same verb can form different phrasal verbs with different particles, each with its own meaning. Memorizing common pairs improves comprehension more than focusing on the literal words.

Word/Phrase	Definition
turn on	To activate a device or system.
turn off	To deactivate a device or system.
put on	To place something on the body or surface.
take off	To remove something from the body or surface.
look for	To search for something.
look after	To care for someone or something.
give up	To stop trying or to quit.
make up	To invent a story or explanation.
find out	To discover information.
set up	To arrange or prepare something.

Separable phrasal verbs can place the object between the verb and the particle, especially when the object is a pronoun. Inseparable phrasal verbs keep the verb and particle together, with the object following the whole phrase. The separability of a phrasal verb is a property to memorize along with its meaning. Using the wrong order can sound unnatural or change the meaning.

Word/Phrase	Definition
turn on	Separable: The object can go between 'turn' and 'on'.
turn off	Separable: The object can go between 'turn' and 'off'.
put on	Separable: The object can go between 'put' and 'on'.
take off	Separable: The object can go between 'take' and 'off'.
look for	Inseparable: The object comes after 'look for'.
look after	Inseparable: The object comes after 'look after'.
give up	Often inseparable: The object usually comes after 'give up'.
find out	Often separable: The object can go between 'find' and 'out'.

Some phrasal verbs use two particles and form verb + particle + particle. These multi-word verbs usually keep their parts together and are generally inseparable. Their meaning is fixed and should be learned as a unit. They often appear in everyday instructions and descriptions.

Word/Phrase	Definition
get along with	To have a good relationship with someone.
look forward to	To anticipate something with pleasure.
run out of	To have no more of something.
come up with	To think of an idea or plan.
keep up with	To stay at the same level or pace as someone or something.

Phrasal verbs are fixed combinations of a verb and particle that create specific meanings. Knowing common phrasal verbs and their patterns, including separability, makes English more natural and clear. Learning them as units is the most efficient way to use them correctly in context.