Phrasal Verbs

particle cannot be separated, we say that the phrasal verb is inseparable.
Unfortunately, there is no rule that will help you to look at a phrasal verb and
always know whether it is separable or inseparable.
When the object of a phrasal verb is a noun, it is (usually) optional whether the
object is placed between the verb and the particle or placed after the particle. Both
the sentences below are correct:
I took my shoes off.
I took off my shoes.
However, when an object pronoun (me, you, him, her, it, us, or them) is used
instead of a noun, the pronoun must be placed between the verb and the particle:
I took them off.
I took off them.
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Separating a phrasal verb is usually optional, but a small number of two-word
phrasal verbs must always be separated:
He had to do his homework over.
He had to do over his homework.
Also, sometimes a two-word separable phrasal verb must be separated when it has
two objects:
She put a blanket on.
She put on a blanket.
She put a blanket on the bed.
She put on a blanket the bed.
And a small number of three-word verbs are separable because they always
require two objects:
My friend talked me out of it.
Inseparable phrasal verbs
Intransitive phrasal verbs are always inseparable because they cannot have an
object:
The airplane took off. (Take off has meanings that are transitive and
intransitive.)
Some phrasal verbs are both intransitive and, when a preposition is added,
transitive:
The criminals broke out.
The criminals broke out of jail.
Three-word verbs are usually inseparable:
I’m looking forward to the party.
Verbs + preposition combinations are always inseparable:
He ran into a tree.
He ran a tree into.
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In Phrasal Verbs, separable phrasal verbs have three dots (. . .) between the verb
and the particle. Transitive/intransitive is not shown because this is obvious from
the meaning and from the examples.
All of this might seem confusing. Remember, meaning is more important than
grammar. Focus on meaning, and the grammar will follow.