You cannot form the Past Simple or Present Perfect tenses correctly without knowing these forms.
Some verbs follow similar changes, like drink/drank and swim/swam . Grouping these makes them easier to remember. tablitsa nepravilnykh glagolov angliiskii dlia 4 klassa
Children often mistakenly add "-ed" to these words (e.g., saying "goed" instead of went ). Memorizing the table helps fix these natural "over-regularization" errors. You cannot form the Past Simple or Present