Give the opposite of the words below by adding 'un' or 'im'.
happy | _____________ | important | _____________ |
polite | _____________ | perfect | _____________ |
seen | _____________ | healthy | _____________ |
proper | _____________ | safe | _____________ |
lucky | _____________ | patient | _____________ |
possible | _____________ | pure | _____________ |
happy | unhappy | important | unimportant |
polite | impolite | perfect | imperfect |
seen | unseen | healthy | unhealthy |
proper | improper | safe | unsafe |
lucky | unlucky | patient | impatient |
possible | impossible | pure | impure |