Strong (Irregular) Verbs and Weak (Regular) Verbs
*Strong Verbs are verbs that form their past tense by changing an inside vowel of their present tense and not by adding any suffix.
Example:-Learn – learnt, Burn – burnt
*Weak verbs are verbs that form their past tense by adding ‘d’, ‘ed’, or ‘t’ to the present tense form of the verb, with or without changing an inside vowel of their present tense.
Eg: Kick- Kicked- Kicked,
Laugh- Laughed- Laughed.
Here is a list of the past tense and the past participle forms of some Weak Verbs.
** The verbs in the list below do not change their form in any of their form, i.e., Present, Past or Past Participle: