In Articles^x, Singular nouns^x, English grammar^x

Hi Davkett, Thank you for the interesting response. I've been thinking about it, and I have a few comments. I'm not familar with the site you quoted, and I don't know its credentials. I don't agree with what it baldly says about Singular Nouns (ending with -s) .... eg James' room or Chris...

Say the right words in the right order. Make subjects and verbs agree in number. Use the correct case for all pronouns. Add "ed" to form the past tense. Add "s" to form plurals. Add "'s" to form possessives. Invert subject and verb in a question. Don't use a countable singular noun without...