All sentences end with an end punctuation mark. He went to school today. The cat caught a bird. Use Punctuation at the End of a Sentence A sentence is a group of words that expresses a complete thought. The first word of a sentence begins with a capital letter.
All sentences end with an end punctuation mark.
A noun is a word that names a person, place, thing, or idea. It begins with a capital letter if it is the first word in a sentence. It begins with a capital letter if it names a special person, place, thing, or idea like John, America, Mississippi River, or The Star Spangled Banner. Pronouns A pronoun is a word that takes the place of a noun. The pronoun can take the place of one or more nouns.