1.Thelightintheclassroomisstillon单三,表状态,用一般时态.Oh,sorry.tforgottoturnitoffforgettodosth.do用原型.2.willyoupleasedon'tmakesomuchnoise?祈使句,原型用DON'T否定3.aithegate,Tomfoundabookliesontheground.一般时态,单三.