should
翻译
应该, 应当
例句
You should see a doctor.
你应该去看医生。
He should be here by now.
他现在应该到这里了。
I should have studied more.
我本应该更努力学习的。
语法模式
((should + 动词原形)) 应该（建议） You should eat more vegetables.
((should be + ...)) 应该（预期） She should be home by 6 PM.
((should have + 过去分词)) 本应该（对过去的懊悔） I should have called you.
近义词
同义词: ought to, had better; 反义词: shouldn't
词源
古英语“sculan”（欠，有义务）的过去式。与“shall”有关。
记忆技巧
把“should”看作是一种温和的义务或一个好建议，它不像“must”那么强烈。