Irregular verbs in English have past tense forms that do not follow the standard rules of adding "-ed" to the base form of the verb. Here are some examples of irregular verbs along with their past tense forms:
Go
Present: go
Past: went
Be
Present: be
Past: was/were
Eat
Present: eat
Past: ate
Have
Present: have
Past: had
Do
Present: do
Past: did
See
Present: see
Past: saw
Take
Present: take
Past: took
Break
Present: break
Past: broke
Drive
Present: drive
Past: drove
Run
Present: run
Past: ran
Irregular verbs can be challenging for language learners because their past tense forms do not follow a consistent pattern. Memorizing these irregular past tense forms is important for accurate communication in English.