Examples of auxiliary verbs
The title of your question says example of auxiliary verbs, and the body of the questions wants a list of 23.
Principal auxiliaries: To be, to have , to do
Modal auxiliaries: can, could, may, might, must, had to, shall, should, will, would
Semi-Modals: need, dare, used to, ought to,
Idiomatic use: had better, would rather, have got to, be to, be able to, be bound to, be going to, be supposed to, be about to, be due to, be likely to
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