earlier tense could /kəd/ /ˈkʊd/ existing tense for both of those singular and plural can damaging simply cannot /ˈkænɑt/ /kəˈnɑːt/ Brit /ˈkænət/ or are unable to /ˈkænt/ Brit /ˈkɑːnt/ Britannica Dictionary definition of CAN [modal verb] one  : to be able to (do anything) I don't have to have any assist. I candemerit, fault - the