Exercise 21
- Understood
- Would not have been
- Will give
- Would have told
- Would have been
- Had
- Stopped
- Needed
- Would have found
- Enjoyed
- Paint
- Were
- Writes
- Had Permitted
- Had Spent
- Will accept
- Buys
- Had decided
- Would have written
- Will leak
- Studied
- Hears
- See
- Gets
- Turn
- Were
- Would have called
- would have talked
- Explained
- Spoke
Exercise 22
- Eating
- Eating
- Swimming
- Liking
- Speaking
- Studying
- Dancing
- Sleeping
- Eating
- Eating
Exercise 23
- Stay
- Stayed
- Work
- Studied
- Not Study
- Have
- Stood
- Not cook
- Had not arrived
- Have slept
Exercise 24
- Should have had
- Must have been
- Must have damaged
- Should not have packed
- Must have studied
- Should have studied
- Must have been
- Should have deposit
- Must have forgotten
- Must not have been studied
Exercise 25
- I would
- Would have gone
- May have had
- Should have done
- Must have forgotten
- May have slept
- Might have had
- Could have lost
- Should not have driven
- It may have run
Exercise 26
- Well
- Intense
- Brightly
- Fluent
- Fluently
- Smooth
- Accurately
- Bitter
- Soon
- Fast
Exercise 27
- Terrible
- Well
- Good
- Calm
- Sick
- Quickly
- Dilligently
- Vehemently
- Relaxed
- Noisy
Exercise 28
- As soon
- More important
- As well
- More expensive
- As hot
- More talented
- More colorful
- Happier
- Worse
- Faster
Exercise 29
- Than
- Than
- From
- Than
- As
- Than
- As
- Than
- Than
- From
Exercise 30
- Best
- Happiest
- Faster
- Creamiest
- More colorful
- Better
- Good
- More Awkwardly
- Least
- Prettiest
- The best
- From
- Less impressive
- The sicker
- When
- Twice as much as
- Little
- Much
- Farther
- More Famous