PHRASAL VERBS

Phrasal verbs are usually two-word phrases consisting of verb + adverb or verb + preposition. Think of them as you would any other English vocabulary. Like many other verbs, phrasal verbs often have more than one meaning. 

For example:

Check out (checked out) 

Meaning: If you check something out, you look at it or examine it to find out more about it. 
Grammar: This phrasal verb needs an object. It is possible to put the object between the verb and particle. If the object is a pronoun, it must go between the verb and particle.

We're going to check out the new club
We're going to check the new club out
We're going to check it out

We're going to check out it - Not Correct

Example sentence: There's a great movie on TV tonight – you must check it out! 

Synonyms: inspect, investigate, explore, examine, look into

sources: http://www.englishclub.com | http://www.bbc.co.uk