英语虚拟语气省略if的句子否定怎么改?例句:如果明天下雨,…/如果昨天下了雨,…should it rain tomorrow /were it to rain tomorrow /had it rained yesterday现改成:如果明天不下雨/如果昨天没下雨试问在哪里+not?我听说是主语后?请细致分3条回答,给出句子.老师说不必知道,我估计她是不知道.

问题描述:

英语虚拟语气省略if的句子否定怎么改?
例句:如果明天下雨,…/如果昨天下了雨,…
should it rain tomorrow /were it to rain tomorrow /had it rained yesterday
现改成:如果明天不下雨/如果昨天没下雨
试问在哪里+not?我听说是主语后?请细致分3条回答,给出句子.
老师说不必知道,我估计她是不知道.

就是有主语后面加not
should it not rain tomorrow
were it not to rain
had it not rained yesterday