Keywords: able, can, could, may
Sign Definition
As a Verb or Adjective
                                            1.  To have the possibility, skill or permission to do something. English = (be) able.
                                          
                                          
                                        As Modifier
                                            1.  Used immediately next to a verb (usually before it) to mean that the person or thing you are talking about has the possibility, skill or permission to do it. English = can, could, able to, may.
                                          
                                          
                                         
                  
                      