Have you found my cat yet? Exclamations must end with an exclamation mark. Now that you know the different sentence types, try writing some yourself. Write one statement, one command, one question ...

When combining two complete sentences with a conjunction ("and," "but," "or," "for," or "yet"), precede the conjunction with a comma. Example: Still, the sun is slowly getting brighter and hotter, and ...

Emphasis—Capitalize the first word after the colon only if it is a proper noun or the start of a complete sentence. (She had one love: Western Michigan University.) Dialogue—Write the speaker's name, ...