Are you teaching grammar? These noun and verb centers are the perfect way for first grade or second grade students to learn about parts of speech. These activities for learning nouns and verbs are ideal for grammar lessons or literacy centers. 1st grade and 2nd grade students will love these engaging activities for sorting, reading, and recognizing nouns and verbs. They sort by regular and irregular verb tenses. They also sort by singular and plural nouns as well as common and proper nouns.