infinitive

present

demarcate

indicative

present

(I)demarcate
(you)demarcate
(he,she,it)demarcates
(we)demarcate
(you)demarcate
(they)demarcate

past

(I)demarcated
(you)demarcated
(he,she,it)demarcated
(we)demarcated
(you)demarcated
(they)demarcated

participle

present

demarcating

past

demarcated