BASIC PAST IRREGULAR VERB CHART (ORDERED IN GROUPS-2)

Here are other basic past irregular verb chart subdivided in clear groups:

GROUP 1- Irregular verbs which have all the same three forms.

GROUP 2- Irregular verbs which have the same past and past participle forms, in three subgroups:

a) ending in -D

b) ending in -GHT

c) ending in -T

GROUP 3- Irregular verbs which have three different forms for present, past and past participle, in another three subgroups:

a) ending in -EN

b) having the series E/-WN

c) having the vowel series I/A/U (begin/began/begun)

Video on the same topic:

For a more complete chart, link to previous post 

MAKING ENGLISH IRREGULAR VERBS EASY (Ordered in groups-1)