Verified answer

Regular :

help  — helped

want  — wanted

follow  — followed

ask  — asked

die  — died

climb  — climbed

love  — loved

Irregular :

grow  — grew

become  — became

spread  — spread

take  — took

leave  — left

cut  — cut

be — was/were

Rules:

For regular verbs we add -d or-ed.

For irregular verbs all the endings are different.