Skip to Main Content
Table 3.

Different strengths of modal PPIs

Weak PPI must He mustn’t leave. * ¬ > □  
(English B) Nobody must leave ¬ > ∃ > □ 
 Few people must leave. few > □ 
PPI of medium strength must He mustn’t leave. * ¬ > □  
(English A) He isn’t to leave. *¬ > ∃ > □ 
to be to Nobody must leave. few > □ 
 Nobody isn’t to leave.  
 Few people must leave.  
 Few people aren’t to leave.  
Strong PPI should He shouldn’t leave. *¬ > □  
 Nobody should leave. *¬ > ∃ > □ 
 Few people should leave. *few > □ 
Weak PPI must He mustn’t leave. * ¬ > □  
(English B) Nobody must leave ¬ > ∃ > □ 
 Few people must leave. few > □ 
PPI of medium strength must He mustn’t leave. * ¬ > □  
(English A) He isn’t to leave. *¬ > ∃ > □ 
to be to Nobody must leave. few > □ 
 Nobody isn’t to leave.  
 Few people must leave.  
 Few people aren’t to leave.  
Strong PPI should He shouldn’t leave. *¬ > □  
 Nobody should leave. *¬ > ∃ > □ 
 Few people should leave. *few > □ 
Close Modal

or Create an Account

Close Modal
Close Modal