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"They didn't solve the problem" vs "They didn't solved the problem"

The correct phrase is 'they didn't solve the problem.' In English, the past simple form of the verb 'solve' is 'solved,' not 'solved.' The incorrect phrase uses 'solved,' which is the past participle form and should not be used after 'didn't.'

Last Updated: March 31, 2024

They didn't solve the problem

This phrase is correct and commonly used in English.

This phrase is the correct negative form in the past simple tense. 'Solve' is the base form of the verb in the negative past simple construction.

They didn't solved the problem

This phrase is incorrect in English. The past simple form of the verb 'solve' should be used ('solved'), not the past participle form ('solved').

The past simple form of the verb 'solve' should be used after 'didn't' to form the negative past simple tense.

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