has been fumigating

• 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 fumigate (3rd person singular).
  fumigate

  verb (used with object)

  to expose to smoke or fumes, as in disinfecting or exterminating roaches, ants, etc.

Related Words

• decontaminate