同学们，这些句子你们每天都在用——仔细看彩色部分，它们都在修饰整个句子。
⏰ 时间
When I got home, my mom was cooking.
当我到家的时候，妈妈正在做饭。
🌧️ 条件
If it rains tomorrow, we will stay at home.
如果明天下雨，我们就待在家里。
🏀 原因（科比）
Kobe succeeded because he never gave up.
科比成功了因为他从不放弃。
💪 让步
Although he is young, he knows a lot.
虽然他很年轻，但他懂很多。
🎯 目的
He gets up early so that he can catch the bus.
他早起为了能赶上公交。
📌 发现规律
彩色部分都在说明 "什么时候 / 什么条件 / 为什么 / 虽然什么 / 为了什么" → 这就是状语从句！
1
I was watching TV ______ the phone rang.
我正在看电视这时电话响了。
whenwhileuntil
✅ 短暂动作（phone rang）→ when！while 接持续动作。
❌ "电话响了"是短暂动作 → 用 when！while 后面一般接进行时。
2
I will wait here ______ you come back.
我会在这里一直等到你回来。
whenuntilsince
✅ "等到……为止" → until！注意：until 从句用现在时表将来。
❌ "一直等+直到你回来" → until！
3
______ you work hard, you will succeed.
如果你努力，你就会成功。
IfUnlessAlthough
✅ "如果努力→成功" → If！从句用现在时 you work，主句用将来时 you will succeed → 主将从现！
❌ Unless = 除非（除非你努力=如果你不努力），逻辑反了！
4
______ you take an umbrella, you will get wet.
除非你带伞，否则你会淋湿。
IfUnlessBecause
✅ "除非带伞→淋湿" → Unless = If...not！
❌ If you take... 意思是"如果你带伞就会淋湿" → 逻辑反了 → 用 Unless！
5
______ he got up late, he missed the first bus.
因为他起晚了，他错过了第一班车。
BecauseAlthoughSo that
✅ 原因 → Because！注意：不能写成 "Because..., so..."！
❌ 起晚了 → 错过了 → 因果关系 → Because！
6
______ the test was difficult, most students passed.
虽然考试很难，但大多数学生都通过了。
BecauseAlthoughUnless
✅ "难但过了" → 让步 → Although！注意：不能 Although...but！
❌ 考试难 vs 大部分过了 → 转折关系 → Although！
7
She studies hard ______ she can enter a good university.
她努力学习为了能进入一所好大学。
becauseso thatalthough
✅ "努力学习+为了上大学" → 目的 → so that！
❌ 努力学习是为了上大学（目的） → so that！because 表原因，方向反了。
8
______ it was snowing heavily, the delivery man still came.
即使雪下得很大，快递员还是来了。
BecauseEven thoughSo that
✅ "即使下雪+还是来了" → 让步（语气强）→ Even though！
❌ 大雪 vs 还是来了 → 强烈转折 → Even though！
1
______ spring comes, the flowers begin to bloom.
当春天来临时，花开始绽放。
WhenBecauseUnless
✅ 时间 → When！
❌ "春天来+花开" → 时间关系 → When！
2
Great changes have taken place ______ China opened up.
自从中国改革开放以来发生了巨大变化。
sincewhenuntil
✅ 主句现在完成时(have taken) → since！从句一般过去时。
❌ have taken place 是现在完成时 → since 引导时间状语！
3
______ I have time tomorrow, I will visit you.
如果我明天有时间，我就去看你。
IfWhenBecause
✅ 条件 → If！从句 have 现、主句 will visit 将 → 主将从现！
❌ "如果明天有时间" → 条件假设 → If！
4
______ he has little money, he is very happy.
虽然他没什么钱，但他很快乐。
BecauseAlthoughUnless
✅ 转折 → Although！注意：不能 Although...but！
❌ "没钱 vs 快乐" → 转折 → Although！
5
He spoke loudly ______ everyone could hear him.
他大声说话为了大家都能听到。
so thatbecausealthough
✅ 大声说+为了听到 → 目的 → so that！
❌ loudly + could hear → 目的是被听见 → so that！
6
The box was ______ heavy ______ I couldn't carry it.
箱子如此重以至于我搬不动。
so...thatso thatsuch...that
✅ so + 形容词(heavy) + that → 结果！such 后接名词。
❌ heavy 是形容词 → 用 so...that！such...that 后面要接名词。
7
Please turn off the lights ______ you leave.
请在离开之前关灯。
beforeafteruntil
✅ "离开前关灯" → before！
❌ 关灯在离开之前 → before！after 是之后。
8
We got up early ______ we wouldn't miss the sunrise.
我们早起为了不错过日出。
so thatbecausealthough
✅ 目的 → so that！wouldn't miss 虚拟语气表目的。
❌ 早起是为了不 miss 日出 → 目的 → so that！
9
______ we protect the environment, the earth will suffer.
除非我们保护环境，否则地球将受苦。
IfUnlessBecause
✅ "除非保护+否则受害" → Unless = If...not！
❌ If we protect... 意思是"如果保护就会受害" → 逻辑反了 → Unless！
10
______ he failed many times, he never gave up.
即使他失败了很多次，他从未放弃。
BecauseEven thoughUnless
✅ "即使失败+从未放弃" → 强烈让步 → Even though！
❌ 失败 vs 不放弃 → 转折 → Even though 语气比 Although 强！
11
My father was reading a newspaper ______ my mother was cooking.
我爸在看报而我妈在做饭。
whilewhenuntil
✅ 两个同时进行的持续动作 → while！while 表"与此同时"。
❌ 两个同时进行 → while！when 不强调"同时进行"。
12
You can achieve your dream ______ you never give up.
你可以实现梦想只要你不放弃。
as long aseven thoughso that
✅ "只要不放弃" → 条件 → as long as = if only！
❌ "只要" → as long as！表条件，比 if 语气更强。
易错1 · although/but 连用
______ he is rich, he is not happy. (改错：Although he is rich, but he is not happy.)
去掉 but → 用 Although 即可although 和 but 可以连用
✅ Although 和 but 不能同时出现！中英文差异："虽然……但是……"在英文中只用一个连词！
❌ 英文中 although 和 but 永远不能连用！这和中文习惯不同，是高考必考陷阱！
易错2 · because/so 连用
______ it rained, we stayed home. (不能写 Because it rained, so we stayed home.)
只用 Because，不用 sobecause 和 so 可以连用
✅ because 和 so 不能连用！一个句子只能有一个连词表因果！
❌ because...so... 是典型中式英语错误！高考改错题常考！
易错3 · 主将从现
If it ______(rain) tomorrow, we will stay home. (rain 用什么时态？)
rains（一般现在时）will rain（一般将来时）
✅ 主将从现！if 从句用一般现在时 rains，主句用 will stay！
❌ if 从句中不能用将来时！这是"主将从现"铁律！
易错4 · not until
He ______ leave until his mother came back. (他不会离开直到妈妈回来)
didn'tdon't
✅ not...until 句型！came 是过去时 → 用 didn't！
❌ came 是过去时 → 用 didn't！not...until = "直到……才"！
2024 · 新高考 I 卷
I was about to give up ______ my friend encouraged me.
我正要放弃这时我朋友鼓励了我。
whenwhilesince
✅ was about to...when... = "正要……这时……"，固定句型！高考高频！
❌ was about to...when... 是关键句型！while 不用于这种突然发生的动作！
2023 · 新高考 II 卷
______ the task was challenging, the team completed it on time.
虽然任务很有挑战性，但团队按时完成了。
AlthoughBecauseUnless
✅ 挑战 vs 完成 → 让步 → Although！
❌ "有挑战却完成了" → 让步关系 → Although！
2023 · 全国甲卷
You won't make progress ______ you practice regularly.
你不会进步除非你定期练习。
unlessifalthough
✅ "不会进步+除非练习" → unless = if...not！
❌ If you practice → 意思是"如果练习就不会进步" → 逻辑反了 → unless！
2022 · 新高考 I 卷
Check your answers carefully ______ you hand in your paper.
交卷之前仔细检查你的答案。
beforeafteruntil
✅ "交卷前检查" → before！高考真题常用 before 表时间先后。
❌ 先检查后交卷 → before！
2022 · 全国乙卷
He explained it again ______ we could understand better.
他又解释了一遍为了我们能更好理解。
so thatbecausealthough
✅ 目的 → so that！could understand 表目的。
❌ 解释是为了理解 → 目的 → so that！不是原因！