OUGHT

(DUTY) [auxiliary verb] [+ to infinitive] he/she/it ought - used to show when it is necessary, desirable or advisable to perform the activity referred to by the following verbWe ought to tidy up before we go home.She ought to tell him not to be so rude.The government ought to be doing more to help the homeless.We ought not/oughtn't to have agreed without knowing what it would cost."We ought to be getting ready now." "Yes, I suppose we ought (to)."USAGE: When describing what someone said in the past, ought can be used as a past form: She said I oughtn't to worry means She said "You oughtn't to worry".