The V3 form (past participle) of the verb 'seal' is sealed.
Understanding Verb Forms
Verbs in English change their form depending on the tense, voice, and mood. The V3 form, also known as the past participle, is crucial for constructing perfect tenses (present perfect, past perfect, future perfect) and forming the passive voice.
For most regular verbs, including 'seal', the V2 (simple past) and V3 (past participle) forms are identical and are created by adding '-ed' to the base form.
Verb Conjugation of 'Seal'
Here’s a breakdown of the main forms of the verb 'seal':
| Verb Form | Form |
|---|---|
| V1 (Base Form) | seal |
| V2 (Simple Past) | sealed |
| V3 (Past Participle) | sealed |
How the V3 Form 'Sealed' is Used
The past participle 'sealed' has several key applications in English grammar:
- Perfect Tenses: Used with auxiliary verbs like 'have', 'has', or 'had' to indicate actions completed before a certain point in time.
- Example (Present Perfect): "The package has been sealed and is ready for shipment."
- Example (Past Perfect): "By the time we arrived, the document had already been sealed."
- Passive Voice: Used with forms of the verb 'to be' to indicate that the subject of the sentence is receiving the action.
- Example: "The ancient tomb was sealed for centuries."
- Example: "All windows in the laboratory are sealed to prevent contamination."
- As an Adjective: 'Sealed' can also function as an adjective, describing something that has been closed or made airtight.
- Example: "Please ensure you use a sealed container for these liquids."
- Example: "The sealed envelope contained the secret message."
Understanding these forms helps in constructing grammatically correct and clear sentences, especially when describing completed actions or states.
