今天，学习了咱们答疑网早期的帖子 http://ask.yygrammar.com/q-24749.html 

老师们功力深厚，我就像在看神仙打架，看得一头雾水。

我发现，老师们在辩论时候，对例句的权威与否，很是纠结。比如，帖子上说：“should的推测性用法不是should的主要用法，词典中未找到shouldn't表示推测的用法。这与should表示责任、义务时，词典中不一定能找到should have to do的例句一样。”

吃水不忘打井人，这里我也给老师们做些贡献。以下是例句：

【shouldn't do 】

▲We needn't get ready yet; the guests shouldn't come for another hour （LDCE）

——赵振才《英语常见问题解答大词典》

▲We needn't get ready yet; the guests shouldn't come for another hour (Longman Dictionary of Contemporary English 1978: 89).

                                            ——http://ekrost.ru/poster/mnogoznachnost-v-sfere-modalnosti-na-primere-glagola-should.html（俄罗斯英语学习网站）

【should have to do】

▲ Either you cut it out, or we should have to wash our hands of the whole business. (Snow)

▲ “Man performs, engenders, so much more than he can or should have to bear. That's how he finds that he can bear anything”  (William Faulkner). 

——《美国传统词典》

 ▲No American should have to drive out of town to breathe clean air...

                                        ——《柯林斯》

▲I don’ t think that I should have to face discrimination as part of my daily life. 

——《麦克米伦》

▲No one should have to suffer such degrading treatment.

——《剑桥双解》

 ▲It is disgraceful that anyone should have to live in such conditions.

  ——《朗文双解》

▲ should have to pass the hat round or try (dressed like a down-at-heels corner boy) to get some sort of job — Nicholas Monsarrat

                                     Webster's Third New International Dictionary, Unabridged

 ▲I really don't see why I should have to explain myself to you. 

                                                                                              ——《牛津7和8》

▲human 'right

noun

[C usually plural] one of the basic rights which many societies think every person should have to be treated in a fair equal way without cruelty, for example by their government, or the right to vote

                                                                     ——《朗文》

▲No one should have to be subjected to my uncle's bad jokes.

——Merriam-Webster's Advanced Learner's Dictionary

有些遗憾，shouldn’t表示推测的例句，只找到一个权威的。如果大家有权威的，请不吝分享。