Modals

Should, ought to, had better for advice and criticism

简介

英语有很多种表达建议的方式，从温和的提议到强烈的警告。知道什么时候用哪个情态动词，是得体沟通的关键。

"Should"是最常用也最百搭的；"ought to"听起来更正式，带有道德感；"had better"则暗含一种威胁——要是不听建议就有你好看的。

中文里"应该""最好""得"这些词也有类似的轻重之分。英语的情态动词也是一样——掌握了这些细微差别，你就能在不同场合（从随意闲聊到正式场合）恰当地给出建议了。

主题

本章全部英语语法（16）

• should / ought to Giving advice and expressing what is right
• had better Strong advice with implied negative consequences
• must vs have to Two ways to express obligation with different nuances
• could (suggestions) Making polite suggestions and possibilities
• might (possibility) Expressing uncertain possibility
• be supposed to Expected or scheduled to do something
• could (Past Ability) Describing abilities in the past
• may / might Expressing possibility or uncertainty
• need to / needn't Expressing necessity or lack of necessity
• be able to Alternative to 'can' for ability in various tenses
• be allowed to Alternative to 'can' for permission in various tenses
• prefer / would rather Expressing preferences
• likely / unlikely / bound to Expressing probability
• manage to / succeed in Expressing achievement with difficulty
• need / needn't Necessity and lack of necessity
• dare Having courage to do something