Explore the past tense forms of unlock!

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Remember this!

The past tense form of 'unlock' is unlocked. Example: He unlocked the door with a key. (He unlocked the door with a key.)

Definition of “unlock”

  • to open or release a lock
  • to make accessible or available
  • to discover or reveal something previously unknown

Tense sentence structure and examples:

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Notes from a Native English Speaker

Here are the general structures of a present and past participle. Remember, some verbs have an irregular form and may not follow this structure: Present Participle: [Verb] -ing Past Participle: [Verb] -ed

Past Simpleunlocked
Past Continuousunlocking
Past Perfectunlocked
Past Simple
The simple past tense is used to describe completed actions or events that occurred at a specific point in the past.
Subject + Past Simple Verb + (Object)

Example

He unlocked the safe and found the treasure.

Example

She unlocked her car with a remote key.

Past Continuous
The past continuous tense is used to indicate actions or events that were in progress or happening at a specific point in the past.
Subject + was/were + Present Participle + (Object)

Example

At that moment, they were unlocking the secret code.

Example

I wasn't unlocking the door because I didn't have the key.

Past Perfect
The past perfect tense is used to show that one past action or event occurred before another past action or event, emphasizing the order of events in the past.
Subject + had + Past Participle + (Object)

Example

By the time she arrived, he had unlocked all the doors.

Example

They had unlocked the mystery before anyone else.

Is unlocked an irregular verb in the past?

No, "unlocked" is not an irregular past tense verb.

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