The past simple and the past participle of upset
Conjugation of the verb upset:
Base Form/Infinitive without 'to':
Third Person Singular:
1. To make someone feel worried or unhappy.
2. To cause something to go wrong.
1. The death of his mother really upset him.
2. Oil prices are easily upset by political instability in the Middle East.
The irregular verbs in the table below have the same pattern as upset. They are:
- Verbs with similar forms in the infinitive, past simple, and past participle.
- Verbs like 'set, set, set'.