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Remember this!

The past tense form of 'retarding' is retarded. Example: The heavy rain retarded the construction progress. (The heavy rain retarded the construction progress.)

Definition of “retard”

to slow down or delay the progress, development, or growth of something
to hinder or impede the advancement of 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 Simple	retarded
Past Continuous	retarding
Past Perfect	retarded

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 cold weather retarded the plant's growth.

Example

She retarded the project's progress with her constant interruptions.

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

The ongoing conflict was retarding the peace negotiations.

Example

He was retarding his own success by procrastinating.

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 they realized their mistake, it had retarded the company's growth.

Example

She had retarded her own progress by not seeking help.

Is retarded an irregular verb in the past?

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

Learn More About Tenses

Discover the present tense of retard!

Discover the future tense of retard!