In class IX you have learnt that a phrasal verb is a verb followed by a preposition or an adverbial particle. Phrasal Verbs give us a single independent unit of meaning.

a) Give out (to come to an end; to be completely used up) After a month their food suppliesgave out.
b) Set aside ( to save something for future needs ) She set aside money for her future needs.
There are two types of phrasal verbs.
1. Inseparable phrasal verbs: Inseparable phrasal verbs as in sentence (a), the lexical part of the phrasal verb cannot be separated from the preposition that accompanies it For example: She takes after her mother.
2. Separable phrasal verbs: The object may come after the lexical part of the phrasal verb or it may come after the phrasal verb.
For example:
a. He brought his son up. (or) He brought up his son.
b. She filled up her form. (or) She filled her form up.
c. He burnt himup.
Note: As you can see in sentence (c) above, if the verb in a phrasal verb is followed by a pronoun, the particle can change its position.

1. The farmer threatened to make his dogs to attack us.
2. I went to the air-port to say good bye to my uncle.
3. We had to wait near the office until it was opened.