Visitors :

Please place a pin on
the guestmap to show
where you come from.

Free Guestmap from

Many thanks for all your encouraging messages.

Guestmap information
Follow us on Facebook

Custom Search

English Grammar and Exercises for ESL learners.


When to use 'whether' and 'if' in English.

'Whether' and 'if' are used as follows :
  • To express alternatives :
    • I don't know whether/if I'll go to the party on Saturday (or not).

  • To report a question :
    • Are you going to the party?
      - She asked me whether/if I was going to the party (or not).

  • Only whether can be used in the following cases:

    • When followed by an infinitive :
      • I don't know whether to go to the party or not.

    • After prepositions :
      • It depends on whether I get home early or not.

    • When whether begins a clause which is the subject of a sentence.
      • Whether I go to the party or to the cinema makes no difference to me.

    • When followed directly by 'or not'
      • I'll be happy whether or not I go to the party.

back to grammar