Auxiliary verb

From Teflpedia

An auxiliary verb or helping verb is a verb used with another verb to express aspect.

  • The primary auxiliary verbs (or primary verbs) are be, do and have;[1]
  • The secondary auxiliary verbs are get, go and used (to);
  • The modal auxiliary verbs (or modal verbs) are shall, should; will, would; can, could; may, might; and must.


  1. The New Oxford Dictionary of English

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