Conventions of Standard English2. Demonstrate command of the conventions of standard English capitalization, punctuation, and spelling when writing.a. Capitalize holidays, product names, and geographic names.b. Use commas in greetings and closings of letters.c. Use an apostrophe to form contradictions and frequently occurring possessives.d. Generalize learned spelling patterns when writing words (e.g., cage → badge; boy → boil).e. Consult reference materials, including beginning dictionaries, as needed to check and correct spellings.