 Hello! This unit discusses the grammatical and semantic properties of the head of a noun phrase and the numerous criteria to keep different types of nouns and their function apart. In the virtual session we will first introduce different classes of head noun and will then define the grammatical features associated with them. In particular, number, gender and case. If you want guidance, optionally use the question sheet with its hyperlinks and its video references. The mastery worksheet is a simple multiple choice test with many questions about noun classes and noun features. Do it after the virtual session and you won't encounter any problems. And in the practical, as usual, we have data for you. Data about noun classes and noun features, ready for analysis. Make use of all these options and suggestions to achieve a solid understanding of the form and function of head nouns.