Underline each verb or verb phrase. Circle any auxiliary verbs.
Write past or past participle to identify each
verb.
1. Scientists discovered a volcano under the thick ice in Antarctica.
2. This volcano had erupted more than 2,300 years ago.
3. The volcano sprayed ash and rock across the pristine ice.
4. Molten, hot lava had risen 7.5 miles above the glacier's surface.
5. Over the years the debris was covered by layers of snow and ice.
6. Special radar was used by glaciologists to study this volcano.
7. Glaciologists found a pool of hot lava beneath the ice.
8. This heat has shrunk the glacier's size over time.