- His high fever attested to his illness.
- She shows her dogs frequently.
- The buildings in Rome manifest a high level of architectural sophistication.
- The experiment demonstrated the instability of the compound.
- The mathematician showed the validity of the conjecture.
- This decision demonstrates his sense of fairness.
- Thousands demonstrated against globalization during the meeting of the most powerful economic nations in Seattle.
- We will demo the new software in Washington.