is not反义疑问句
(1)当陈述部分有never,seldom, hardly,few,little,barely, scarcely, nothing,none,rarely 等否定意义的词汇时,后面的反意疑问句则为肯定形式: There are few apples in the basket, are there? He can hardly swim, can he? They seldom come late, do they?
填 isn't
构成前否后肯的反义疑问句
此处可填isn't going to be,
is going to be/will be.
is not ,反义疑问句。