Past tense of regular and irregular verbs

Topic: Past tense of irregular and regular  verbs
Regular verbs
Forming the past simple tense of regular verbs is
straightforward, and you use the same form for singular
and plural:
If the basic form of the verb ends in a consonant or a
vowel other than e, add the letters -ed to the end
(e.g. seem/seemed, laugh/laughed, look/looked).

Irregular verbs
An irregular verb is one that does not form its simple
past tense or its past participle by adding "-ed" or "-d" to the
base form.
 
Irregular verbs contrast with regular verbs, which

form the simple past tense and past participle by
adding "-ed" or "-d."