一个短语,轻松覆盖英语多种表达需求
be supposed to 是英语里一个极高频的结构,几乎在日常对话、正式通知和新闻报道中都能见到。它既有规则性用法,也能传递听说信息。
✅ 1. 表示规定或要求
形式:主语 + be supposed to + 动词原形
例句:
- All visitors are supposed to wear an ID badge.
(所有来访者都必须佩戴胸牌。)
✅ 2. 表示期望或责任
例句:
- You are supposed to be ready by 8 a.m.
(你应该在早上8点前准备好。)
✅ 3. 表示传闻或普遍看法
例句:
- The restaurant is supposed to serve the best pizza in town.
(据说这家餐厅的披萨是镇上最好吃的。)
🚫 易错提醒
- 错误:He supposed to finish it today.
- 正确:He is supposed to finish it today.
记住,be supposed to 中的 “be” 动词不能省略,并且要与主语的时态保持一致。
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