Third Exercise:The children work with commands prepared by the teacher or commands prepared by children.After the children have worked with the pronoun in this way for some time, introduce the personal pronoun used as the subject of a sentence. This pronoun is very important. It takes the place of the noun, and in this sense it is a proud usurper. It also helps the verb, and in this sense, it is the servant of the verb. It is very important because the personal pronoun used as subject helps us to know the person and number of the verb.