You know enough of the practical aspects of the use of the Italian language? Test yourself by answering the quiz questions and see the information section to deepen each topic. The application uses the data base of the Italian Grammar and the Encyclopaedia of the Italian language published by the Institute of the Italian Encyclopedia founded by Giovanni Treccani. The consultation alphabetic entries and grammar-the encyclopedia of Italian allows for a rapid response to questions and specific questions. Most of the entries respond to the question "how do you say or how you write it", trying to give clear guidance on the use of the language better and on the choices to take from time to time. This application solves your doubts on: pronunciation, handwriting, presence of double consonants, the use of the articles, the formation and use of the feminine and the plural of some nouns, use the superlative of some adjectives, conjugation of verbs, the selection of the auxiliary in the compound tenses, use of prepositions and the individual expressions or constructs. In addition to the entries, the consultation of the tables of constructions, regular verbs, irregular verbs, and verbs in -isc.