Defining relative clauses with who, which, that, and whereAdding essential information about a person, a thing, or a place.Related learning areasEnglish GrammarRelated conceptsas … as for saying things are the sameAuxiliary verbs in short answersbe going to — plans and intentionsbe going to — predictions from present evidenceChoosing between present, past, and future verb formsComparative adjectivesQuestionsAll questions in this subjectStart learningStart free practice