Note that these irregularities only occur with affirmative tú commands. As with all other verbs, to form negative informal commands with these verbs, use the “tú” form of the present subjunctive. Di la verdad. (Tell the truth.) No digas mentiras. (Don’t tell lies.) Haz tu tarea. ...
Verb Infinitives ending in ‘ir’: Take off ‘ir’, add is it issons issez issent e.g. ‘finir’ –‘to finish’ je tu il elle nous vous ils elles finis finit finissons finissez finissent (I) (you) (he) (she) (we) (they) (finish) (finishes) Verb Infinitives ending in ‘re...