| Adjetive | Verb | Adverb | Noun |
| Sad | Be sad | sadly | Sadness |
| Happy | Be happy | happily | Happiness |
| Mad | Be mad | madly | Madness |
| Sick | Be sick | sickly | Sickness |
| Strange | Be strange | strangely | strangeness |
Example :
· Adjective
Ø I am very sad
Ø I was sick because of an accident yesterday
· Verb
Ø Don’t be sad just because your grade is not good
Ø he might be sick today
· Adverb
Ø The fans are madly in love with the actor
Ø He was be sick last Sunday
· Noun
Ø Don't keep the sadness
Ø Because of his sickness, he didn't come
