Spelling
Spell the gerund of "to hope"
hoping
Walked
Walk-t
To drive
drove
Light
Lighter
To go
Went
Spell the gerund of "to hop"
hopping
Looked
Look-t
To catch
caught - cot
Late
Later
Told
Spell the gerund of "to wet"
wetting
Called
Call-d/t
To buy
bought (bot)
Wet
Wetter
To blow
Blew
Spell the gerund of "to put"
putting
Arrived
arrive-d/t
To put
put
Intelligent
More intelligent
To sit
Sit
Spell the gerund of "to file"
filing
Listened
Listen-d/t
To stand
stood
Good
Better
To think
Thought