Learn all about infinitive verbs—the dictionary form of verbs that appear in sentences with or without "to." In this comprehensive grammar lesson, we explore the two main types of infinitives: to-infinitives (full infinitives) and bare infinitives (zero infinitives). Discover how these verb forms function as nouns, adjectives, and adverbs in your sentences. Perfect for Class 9-10 students preparing for board exams. We'll cover definitions, types, real-world examples, and common mistakes to help you master this essential grammar concept. Subscribe for more English grammar tutorials!