be supposed to do 的用法
老师好，我在一份讲解 be supposed to do 的资料里看到这样一个句子。 She was not supposed to be angry about that. 翻译是，她本不该为此生气。所以，就是她实际上生气了？ 可资料里又说 当主语是人时，要表达未发生的情况，要用 be supposed to have done. 所以，我也不确定该怎么理解了...
最佳答案 2020-02-04 16:52
was / were supposed to do 或者 was / were supposed to have done 可以表示“本该......（而实际上没有......）”；wasn't / weren't supposed to do 或者 was / were supposed to have done 可以表示“本来不该......（而实际上却......）”。
其它 2 个回答
擅长：语法理论,语言学,文化背景
以下是最简捷的理解。
“生气”已发生：她（本）不应该为此事生气的。
She was not supposed to be angry about that. =
She is not supposed to have been angry about that.=
She shouldn't have been angry about that.
“生气”未发生：她（将）不应该为此事生气。
She is not supposed to be angry about that.=
She shouldn't be angry about that.
如果用文字讲解，越讲越乱。反而记不住！
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这个结构和is thought/reported/said to have done是不一样的。建议网友查一下。
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