A concept map on auxiliary, modal and phraseological verbs, designed to help students understand their functions and uses. The map explains how essere and avere help form compound tenses, while dovere, potere and volere accompany another verb in the infinitive and express obligation, possibility, ability, permission, willingness or desire. It also presents phraseological verbs, which combine with other verbs to indicate the beginning, end, duration or repetition of an action. A useful Italian grammar summary for studying, reviewing and understanding Italian verbs.