Because and Because of
Because is a conjunction. It is used at the beginning of a clause, before a
subject and verb. Because of is a two-word preposition, used before a noun or a pronoun.
We were late because it rained. (NOT
because of it rained.)
We were late because of the rain. (NOT because the rain.)
I’m happy because I met you.
I’m happy because of you.
Position of because-clauses
Because and its clause can go after or before the main clause.
- I finished early because I worked fast.
- Because I worked fast, I finished early.
Because-clauses can sometimes stand alone, especially as answers or after
- Why are you crying?~ Because John and I have had a row.
- I don’t think I’ll go to the party … Because I’m feeling a bit tired.
Just because … (it) doesn’t mean …
This is quite a common structure in informal speech.
- Just because you’re older than me (it) doesn’t mean you can do what
- Just because I’m your brother (it) doesn’t mean you can keep asking me for money