they aren't there还是they not there

they aren't there还是they not there They aren,t there now there are .反问句式 aren't they They aren't standing there.改为一般现在时. 【反义疑问句】They believe that there are UFOs.是do they还是aren't the They must be there now,aren't they?这里为什么不是mustn't they而是aren they aren‘t brother and sister,（ ）填反意疑问句 为什么是are there 还是are 改病句Are there any sweets?No,they aren't. There aren't many pandas( ).They're enangeredanimals.we must There aren't any children in the room ,are they? There aren't many pandas________.They're endangered animals Is there anybody here?回答是不是Yes,they are.或No,they aren't.