had been gulping

• past perfect progressive

  past perfect progressive

  Used to describe an action that was ongoing continuously in the past up until another past event interrupted it.

  of gulp.
  gulp

  verb (used without object)

  to gasp or choke, as when taking large drafts of a liquid.

Related Words

• consume
• gobble
• guzzle
• imbibe
• inhale
• quaff
• swallow
• swig
• swill