I have written a letter yesterday. vs I written a letter yesterday.

The correct phrase is "I wrote a letter yesterday." The verb "write" in the past tense should be conjugated as "wrote." The phrase "I have written a letter yesterday" is incorrect because the present perfect tense (have written) is used to indicate an action that happened at an unspecified time before now, not a specific time like yesterday.

Last updated: March 15, 2024

I have written a letter yesterday.

This phrase is incorrect. The present perfect tense should not be used with a specific time reference like "yesterday."

The present perfect tense (have written) is used to indicate an action that happened at an unspecified time before now. To talk about a specific time in the past like yesterday, use the simple past tense.

I written a letter yesterday.

This phrase is incorrect. The verb "write" in the past tense should be conjugated as "wrote."

The correct form is "I wrote a letter yesterday." Use the simple past tense form of the verb "write" (wrote) to talk about an action that happened at a specific time in the past.

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I have written a letter yesterday. vs I written a letter yesterday.