There is a sentence that I can't understand:
"There are around 7000 languages spoken in the world."
Shouldn't we say??? :
Where is the auxiliary verb?
English Language Learners Stack Exchange is a question and answer site for speakers of other languages learning English. It only takes a minute to sign up.Sign up to join this community
"spoken around the world" is a participle phrase. It is often possible to convert a participle phrase to a relative clause.
Your sentence is equivalent to:
There are around 7000 languages that are spoken in the world."
But English allows the use of participle phrases to modify nouns. The given sentence is correct English. As are
This is a book written by my sister.
An apple eaten by a worm is no good for a pie.
(Participle phrases in italics)