have preconditioned

• present perfect

  present perfect

  Used to describe actions that started in the past and continue into or have direct relevance to the present.

  of precondition.
  precondition

  noun

  something that must come before or is necessary to a subsequent result; condition.

Related Words

• arrangement
• essential
• necessity
• prerequisite
• provision
• qualification
• requirement
• requisite
• stipulation