infinitive

present

instruct

indicative

present

(I)instruct
(you)instruct
(he,she,it)instructs
(we)instruct
(you)instruct
(they)instruct

past

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

participle

present

instructing

past

instructed