【秒懂语法】一节课秒懂反义疑问句

1.形式:肯+否/否+肯
2.主语:
(1)主语都要是代词
(2)there be句型作主语,用there当主语
(3)指示代词做主语,用it,they当主语
(4)当主语为复合不定代词(人)时用they,he等做主语
(5)主语为复合不定代词(物)时,是用it做主语
3.动词选择
(1)陈述句用be动词,情态动词,普通动词
(但用must时:①表示必须,疑问句用mustn't/needn't②mustn't表示禁止,疑问句用must③表猜测,疑问部分根据实际情况)
(2)陈述句有否定含义的词,疑问部分用肯定
(3)陈述句谓语是wish,疑问句用may
(4)陈述句谓语是ought to疑问句用shouldn't/oughtn't
(5)陈述句用have to(had to),疑问句用don't或didn't
(6)陈述句用neither...nor...,either...or...,根据实际单复数变化
(7)陈述句为感叹句时变化和(1)一样