Explore the past tense forms of immunize!

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Remember this!

The past tense form of 'immunize' is immunized. Example: She immunized her children against measles last year. (She immunized her children against measles last year.)

Definition of “immunize”

  • to make someone immune or resistant to a particular disease
  • to administer a vaccine or immunization to protect against a specific disease
  • to protect or safeguard against something

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 Simpleimmunized
Past Continuousimmunizing
Past Perfectimmunized
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

The nurse immunized the child against polio.

Example

We immunized our pets against rabies.

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 time, they were immunizing a large group of people.

Example

I wasn't immunizing anyone at that moment.

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 the outbreak occurred, they had immunized the entire community.

Example

She had immunized all her patients before the flu season started.

Is immunized an irregular verb in the past?

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

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