The past tense of gruff is gruffed. See all forms of gruff with easy examples.
The past tense of grub is grubbed. See all forms of grub with easy examples.
The past tense of groze is grozed. See all forms of groze with easy examples.
The past tense of growse is growsed. See all forms of growse with easy examples.
The past tense of grubstake is grubstaked. See all forms of grubstake with easy examples.
The past tense of grubble is grubbled. See all forms of grubble with easy examples.
The past tense of growl is growled. See all forms of growl with easy examples.
The past tense of grovel is grovelled or groveled. See all forms of grovel with easy examples.
The past tense of grow is grew. See all forms of grow with easy examples.
The past tense of growe is grewe. See all forms of growe with easy examples.