| 
                  
                  
                    
                      | la bajar damta  loma 
 | ‘has he gone to the market?’ 
 |  | 
               
                | Double Negative | 
               
                | The double negative 
                marker is -e and is formed in the same way as the 
                negative -e. It occurs after the negative or prohibitive 
                form of the verb.
 
 | 
               
                | 
                  
                  
                    
                      | vanvanveve | ‘(sub) never bring again |  
                      |  | and again’ 
 |  
                      | erirela  | ‘(sub) never left’ |  | 
               
                | Certainty
 | 
               
                | The certainty indicates 
                that it is certain that the subject performs the action 
                mentioned by the verb. It is marked by adding -vek to the 
                verb base. The tense follows -vek.
 
 
 | 
               
                | 
                  
                  
                    
                      | ne va  vekji 
 | ‘I shall come surely’ 
 |  
                      | la covekpo   | ‘he ate certainly’   |  
                      | ne covekpo   | ‘I will eat certainly’   |  
                      | ne covekvepo 
 | ‘I will not eat certainly’   |  
                      | la covekvelo   | ‘he did not eat certainly’   |  | 
               
                | Necessity | 
               
                | It indicates that it is 
                necessary or a requirement for the subject to perform the action 
                mentioned by the verb. It also indicates the wish of the subject 
                to perform the action. It is expressed by adding na
  ‘need to, want’ to the verb. It occurs after the perfect,continuous, certainty 
                and completive. 
 | 
               
                |  | 
               
                | Obligatory
 | 
               
                | The obligatory indicates 
                that it is the duty or moral obligation of the subject to 
                perform the action mentioned by the verb. There is no separate 
                marker for the obligatory. The certainty -vek followed by 
                the necessity na
  gives the meaning of the obligatory. 
 
 | 
               
                | 
                  
                  
                    
                      | ne va  vekna  ji 
 | ‘I ought to come’   |  
                      | ne va  vekna  ne   | ‘I ought not come’   |  
                      | damvekna  ne   | ‘(sub) ought not go’   |  | 
               
                | la vo pithivekna  ji | 
               
                | ‘he ought to kill the 
                bird’ 
 | 
               
                | la kitap tokvekna  ji | 
               
                | ‘he ought to write a 
                book’   |