[tex] \sf \: If \: we \: use \: 'when' \: as \: the \: question \: word \: then \: we \\ \sf\: need \: to \: change \: the \: sentence \: to \longrightarrow \\ \\ \:\boxed{\boxed{\underline{\bf \: When \: does \: your \: school \: start ?}}} \: \\ \\ \sf Here \: the \: time \: will \: be \: the \: answer \: to \: the \: question \\\sf \: since \: when \: is \: used \: to \: question \: time.[/tex]