Some examples and use cases from the internet:

Some examples and use cases from the internet:

• Not: Can you tell me if or not you're interested … We use whether, not if, after prepositions: [talking about a trip to Australia for a year]. We're not interested in ...
• topic). A fair number of usage manuals tell you to jettison the or ...
• Jan 13, 2015 ... I don't know whether or not she's working. Notice that if or not XYZ is not grammatical: *I don't know if or not she's working. (ungrammatical).
• Contrast connectors
• if and whether; determine function: stating a condition or an alternative; identify word choice within a given context; 12 questions.
• May 11, 2008 ... I don't know whether/*if or not I'm going. (but see below). Point 6 (somewhat off

• I am confused about whether. When is it correct to use the phrase whether or not, and when is it correct to just use whether? For example, which of the following ...
• Also, whether or no. Regardless of whether, no matter if. For example, Whether or not it rains, we're going to walk to the theater, or She plans to sing at the ...
• see definition of whether or not. Font size. X. Aa. Aa. Aa. Aa. Aa. show. all, adverb ... Synonyms for whether or not. adv in any case. certainly star · positively star.
• Sep 23, 2010 ... This will depend on whether or not he's suitable for the job. It is still not defined whether we're following that approach. It is still not defined ...