until(【英语干货】-Until-双面解析:肯定句与否定句的完全指南)
核心含义

"直到...为止"(时间/事件到达某节点前的持续状态)
✅ 两种正确用法
1️⃣ 肯定句(持续动作+until)
✨ 结构:延续性动词 + until + 时间/事件
✨ 例句:
- "She slept until noon."(睡到中午)
- "The rain continued until morning."
(雨下到早晨)
⚠️ 禁忌:不可接瞬间动词
✖ "He left until 5 PM."(× "leave"是瞬间动作)
✔ "He stayed until 5 PM."(√ "stay"是延续动作)
2️⃣ 否定句(not...until)
✨ 结构:not + 动词 + until + 时间/事件
✨ 含义:"直到...才..."(之前不做)
✨ 例句:
- "Don't eat until the test ends."
(考试结束前别吃)
- "I won't leave until you arrive."
(你到了我才会走)
本质:not...until = not before...
(在...之前不)
对比其他时间介词
1. until
- 强调持续状态
- 例:"Wait until dawn."
2. by
- 强调截止时间点
- 例:"Finish by Friday."
3. till
- until的口语版本
- 例:"Open till 8 PM."
高频错误警示
❌ 肯定句误用(接瞬间动词):
- ✖ "The bus will arrive until 3 PM."
- ✔ "The bus will arrive by 3 PM."
❌ 否定句漏not:
- ✖ "Start until I say go."
- ✔ "Don't start until I say go."
经典场景应用
1. 考试场景
"No talking until the test is over."
(考试结束前禁止说话)
2. 工作场景
"The report won't be ready until
tomorrow."(报告明天才能好)
3. 生活场景
"Kids can't watch TV until they finish
homework."
终极记忆口诀
"肯定until接持续,
否定until'才'的意思,
瞬间动词要用by,
till口语随便使!"
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