Phrasal verbs

Before i had learn a grammar about "Phrasal verbs" .
The verbs in section A are called phrasal verbs. Most verb have only one main part, but phrasal verbs have at least two. The adverb or preposition in a phrasal verb is called a particle. Phrasal verbs usually follow one of these patterns:
verb+adverb verb+preposition
I wrote down her message. Please hand in your homework.

verb+adverb+preposition
You can't get away with cheating!

The meaning of a phrasal verb is often different from the meanings of the verb and particle by themselves.

Some phrasal verbs are intransitive. They do not need an object.
However, you can use an adverbor a prepositional phrase after these verds.

INRANSITIVE PHRASAL VERBS
Intransitive phrasal verbs cannot be followed by an object. You can use adverbs or prepositional phrases after these verbs. Study the following sentences.

I can't hear you. Please, speak up!
Did you go out last night?
Please hang on for a moment.

SEPARABLE PHRASAL VERBS

Separable phrasal verbs are transitive: thet are followed by an object. You can put the object after the particle or between the verbs and particle.

Henry took off his jacket.
Henry took his jacket off.

If the object is a pronoun, you must separate the phrasal verb.

INSEPARABLE PHRASAL VERBS

Inseparable phrasal verbs can also be transitive. You must always put the object after the particle.

Last night a thief broke into our flat.
Someone broke into it.
The thief made off with some computer files.
He made off with them.