In Lecture 2, students learned about regular and irregular nouns. Regular nouns follow rules for making plurals, like adding -s or -es (e.g., cat → cats, box → boxes), while irregular nouns do not follow set rules (e.g., man → men, tooth → teeth). They practiced identifying and forming plurals of both types. In Lecture 3, the focus shifted to adjectives—describing words that tell more about nouns, such as color, size, shape, or number. Students also studied the degrees of adjectives: positive (simple description), comparative (comparison between two), and superlative (comparison among three or more), along with examples and exercises for correct usage.