-ing
Hope + ing
hoping
Happy + er
happier
Yell
Yelled
Fox
Foxes
Jam + ing
Jamming
Skate + ing
skating
Sad + est
saddest
Joke
Joked
Mess
Messes
Cookie—make it plural
Cookies
Hop + ing
hopping
Scratchy + er
scratchier
Drink
Drank
Puppy
Puppies
Drive—make it past tense
Drove
Drill + ing
Drilling
Cute + est
cutest
Make
Made
Hobby
Hobbies
Moose—make it plural
Moose
Swim + ing
swimming
Lovely + er
lovelier
Wear
Wore
Monkey
Monkeys
Early + er
Earlier