Распределите глаголы в 3 колонки в зависимости от чтения окончания ed. {t} {d} {id} covered,trained, completed, researched,wanted, complained, proposed, fixed, demonstrated, looked, designed, traveled, asked, depended, stopped, finished, closed, opened, worked.
d-covered, trained, complained, proposed, designed, traveled, closed, opened
id-completed,wanted, demonstrated, depended