Verbs-Grammatical categories
Carried by the form of the verb (main verb of first auxiliary) or the operator
            Person – distinction in person singular
            Number – 3rd person –s; others don’t
            Tense – write ® wrote, run ® ran, play ® played
            Mood 
o       unmarked indicative     I go
o       marked imperative       Go, Let’s go
o       subjunctive                  He goes, I wish he went
      Carried by separate auxiliary verbs
            Mood 
§         unmarked declarative
§         marked interrogative (by auxiliary verb)
            Polarity           
§         unmarked aformative
§         marked negative
            Modality         
§         marked deontic (you must; dispoziční modality)
§         marked epistemic
            Aspect
§         marked perfective (auxiliary have)
§         marked progressive (auxiliary be)
            Voice  
§         unmarked active
§         marked passive (auxiliary be)





