Singular and plural nounsAdding -s and -es, and the common nouns that change shape instead.Related learning areasEnglish GrammarRelated conceptsa and anAdjectives before nounsAdverbs of frequencycan and can'tImperativeslike, love, and hate + verb + -ingLeads tothis, that, these, thoseQuestionsAll questions in this subjectStart learningStart free practice