Free sentence writing activities and worksheets for grades 2-4 in google apps and in printables. Imitate the sentence, stretch the sentence, learn about subjects and predicates, sentence task cards. A free sentence writing unit for grades 2-4. Graphic organizers to help students learn to write sentences. Mentor sentences for 2nd to 5th grades. Stretch the sentences, imitate the sentences, learn about subjects and predicates in sentences.