If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Perfect progressive verb aspect


Choose the
form of the verb!
Ginger Stroud, Private Eye, ________ papers on her desk when a mysterious man walked into her office.
Choose 1 answer: