想委婉地提建议，可以在动词前用 Maybe you could 或 You might want to，在 -ing 词前用 Have you considered。Perhaps 能让任何想法听起来更温和。
委婉的建议
Maybe you could — Maybe you could go to bed earlier.
You might want to — You might want to try tea instead.
Have you considered — Have you considered taking a break?
试一试: Amina: I feel tired all the time. Hiroshi: ___ going to bed earlier? Choose the gentle suggestion that fits before the -ing word. (Have you considered / You'd better / You must) 答案: Have you considered — Have you considered 是一种委婉的建议，放在 going 前面正合适。You'd better 和 You must 都是更强烈的建议，后面要接动词原形，所以这两个都不合适。
更强烈的建议
建议很重要的时候，用 You'd better 提醒对方小心某个问题，用 You must 说你特别坚持的建议。
You'd better — You'd better see a doctor.
You must — You must take care of yourself.
试一试: Sofia: The pain has not stopped for a week. Diego: ___ see a doctor. This is serious. Choose the strong advice for a serious problem. (You'd better / Maybe you could / Have you considered) 答案: You'd better — You'd better 是在提醒一个严重的问题，这里正合适。Maybe you could 和 Have you considered 都是委婉的建议，对于严重的事情来说都不够强烈。