Irregular verbs 2.61K viewsFebruary 23, 2020 Favour Joe10 February 20, 2020 0 Comments Have sunk is it a irregular verb? English Tutor Answered question February 23, 2020 1 Answer ActiveVotedNewestOldest 0 English Tutor2.75K Posted February 23, 2020 0 Comments Yes, it is past participle of ‘sink.’ English Tutor Answered question February 23, 2020 Register or Login