Answer the questions using present perfect continuous tense. Use this video to boost your understanding of verbs and tense structure.

Scooby Doo and the gang are investigating a mystery. They stumble upon an old piece of armor, so they launch into the investigation.

Scooby Doo - Present Perfect Continuous

scooby-doo-present-perfect-continuous

Let's do English ESL general grammar practice. Answer the questions using present perfect continuous tense. Use this video to boost your understanding of verbs…