have been retaining

• present perfect progressive

  present perfect progressive

  Used to describe an action that began in the past, has continued continuously, and is still in progress.

  of retain.
  retain

  verb (used with object)

  to keep possession of.

Related Words

• absorb
• cling to
• contain
• enjoy
• have
• hold
• keep
• maintain
• own
• possess
• preserve
• recognize