An ELT Glossary : Correlatives


Correlative expressions consist of two parts. They may belong to various word classes. 

Some examples :

Correlative conjunctions - eg    not only / but also,  if / then etc
  • She not only got 100% on the test,  but also finished in half the time allowed.
  • If he refuses, then we'll need to change our plans.

Correlative prepositions - eg   from / to,   neither / nor 
  • We're open from 9 to 5.
  • Neither Ann nor Paul wanted the job.

Correlatives may also mix word classes as in the expression as (adv) / as (preposition) 
  • He's as stubborn as a mule.