Let's recollect some grammar. So, I'd like to start with  NOUNS
Using nouns correctly in English is relatively simple, with standard rules and only a few exceptions. Use these pages to learn about the English grammar rules for gender, plurals, countable and uncountable nouns, compound nouns, capitalization, nationalities, and forming the possessive.

NOUNS IN ENGLISH

• Gendered nouns
• Singular and plural nouns including irregular plural nouns
• Countable and uncountable nouns
• Definite pronouns
• Indefinite pronouns
• Compound nouns
• Capitalization rules for nouns
• Nationalities in English
• Forming the possessive