高中英语语法条件状语从句
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主句用现在时：表示此事任何时候都是可能的,尤其是现在。 主句用将来时：表示此事将来的可能性。
If she’s travelling abroad on business, she always phones me every evening.
Shall we go out if the weather’s good?
翻译与写作：
如果……我将不胜感激。
I’d appreciate it if……
翻译： 如果您能帮助我得到票的话，我会非常感激。 I’d appreciate it if you could help me get a ticket. If you could help me get a ticket, I'd appreciate it.
problem can we avoid a severe water
shortage later on.
A. If only
B. As long as
C. When only D. Only if
If we take steps to deal with this problem, we can avoid a severe water shortage later on. Only放在句首，句子要用部分倒装。 Only if we take steps to deal with this problem can we avoid a severe water shortage later on.
(15虹口二模)如果你忘记通知他面试时间了该怎么办？ What if you forget to inform him of the time for the interview?
Ifwenku.baidu.com
d. if only vs. only if
if only 但愿，要是……就好了 表示一个不可能实现愿望，要用虚拟语气。
Have an aim in your life, or your energies will be wasted.
If you have an aim in your life, your energies won’t be wasted. If you don’t have an aim in your life, your energies will be wasted.
only if 只有 等于only on condition that，从句用陈述语气。
Only if you heat ice does it turn to water.
只有当你给冰加热，它才会变成水。
If only I knew! 要是我知道该多好。
选择题：
__D___we take steps to deal with this
写作： 主题：给学校校报编辑、社区、某项活动提建议。结尾句可用。
如果你能考虑我的建议，我将不胜感激。 I would appreciate it if you could take my suggestions into consideration.
翻译与写作：
如果……该怎么办？ What if……
条件状语从句
明桑桑
时间状语从句 1. 条件状语从句的
地点状语从句
引导词
1.If真实条件句 2.If非真实条件句 3.其他引导词
状 语 从 句
条件状语从句 目的状语从句 结果状语从句 原因状语从句 让步状语从句
2. 条件状语从句的 时态问题
3. 条件状语从句的 省略问题（分词 做条件状语）
0
1
0
0
0
0
1
1
状语从句
时间 让步 条件 原因
语法题考频分析
If
If 真实条件句（陈述语气） If you read the book, you will be
interested in it.
非真实条件句（虚拟语气） If I were you, I would take his advice.
可与if条件状语从句进行转换的句型：
1. 祈使句/名词短语，and/or+简单句 2. 分词，主句（分词做条件状语）
句型转 换：
If you give me somewhere to stand, I will move the earth.
Give me somewhere to stand, and I will move the earth. Give me somewhere to stand, or I won’t move the earth. Given somewhere to stand, I will move the earth.
方式状语从句
比较状语从句
考点可结合题型：
语法填空题（1-3空）
翻译与写作
长难句分析
状语从句
14一模 14二模 15一模 15二模 总空格数
时间
6 10 3 5 24
让步
5 5 6 4 20
条件
4 5 6 4 19
原因
7 1 1 2 11
目的
2 1 0 2 5
方式
0 1 1 0 2
结果 比较
1
0
If
b. 句型
If you work harder, you will succeed.
Work harder, and you will succeed. Work harder, or you won’t succeed. Working harder, you will succeed.
a. 时态 主句一般将来时，从句一般现在时(主将从现)
If the museum charges for entry, a lot of people won’t be able to visit it.
If your dog is depressed, he probably ____ more exercises. A. will need B. needed C. need D. needs
选择题：
Start out right away, __C___you’ll miss the first train. A.and B. but C. or D. while
__B___, and I’ll get the work finished.(06重庆) A. Have one more hour B. One more hour C. Given one more hour D. If I have one more hour
If she’s travelling abroad on business, she always phones me every evening.
Shall we go out if the weather’s good?
翻译与写作：
如果……我将不胜感激。
I’d appreciate it if……
翻译： 如果您能帮助我得到票的话，我会非常感激。 I’d appreciate it if you could help me get a ticket. If you could help me get a ticket, I'd appreciate it.
problem can we avoid a severe water
shortage later on.
A. If only
B. As long as
C. When only D. Only if
If we take steps to deal with this problem, we can avoid a severe water shortage later on. Only放在句首，句子要用部分倒装。 Only if we take steps to deal with this problem can we avoid a severe water shortage later on.
(15虹口二模)如果你忘记通知他面试时间了该怎么办？ What if you forget to inform him of the time for the interview?
Ifwenku.baidu.com
d. if only vs. only if
if only 但愿，要是……就好了 表示一个不可能实现愿望，要用虚拟语气。
Have an aim in your life, or your energies will be wasted.
If you have an aim in your life, your energies won’t be wasted. If you don’t have an aim in your life, your energies will be wasted.
only if 只有 等于only on condition that，从句用陈述语气。
Only if you heat ice does it turn to water.
只有当你给冰加热，它才会变成水。
If only I knew! 要是我知道该多好。
选择题：
__D___we take steps to deal with this
写作： 主题：给学校校报编辑、社区、某项活动提建议。结尾句可用。
如果你能考虑我的建议，我将不胜感激。 I would appreciate it if you could take my suggestions into consideration.
翻译与写作：
如果……该怎么办？ What if……
条件状语从句
明桑桑
时间状语从句 1. 条件状语从句的
地点状语从句
引导词
1.If真实条件句 2.If非真实条件句 3.其他引导词
状 语 从 句
条件状语从句 目的状语从句 结果状语从句 原因状语从句 让步状语从句
2. 条件状语从句的 时态问题
3. 条件状语从句的 省略问题（分词 做条件状语）
0
1
0
0
0
0
1
1
状语从句
时间 让步 条件 原因
语法题考频分析
If
If 真实条件句（陈述语气） If you read the book, you will be
interested in it.
非真实条件句（虚拟语气） If I were you, I would take his advice.
可与if条件状语从句进行转换的句型：
1. 祈使句/名词短语，and/or+简单句 2. 分词，主句（分词做条件状语）
句型转 换：
If you give me somewhere to stand, I will move the earth.
Give me somewhere to stand, and I will move the earth. Give me somewhere to stand, or I won’t move the earth. Given somewhere to stand, I will move the earth.
方式状语从句
比较状语从句
考点可结合题型：
语法填空题（1-3空）
翻译与写作
长难句分析
状语从句
14一模 14二模 15一模 15二模 总空格数
时间
6 10 3 5 24
让步
5 5 6 4 20
条件
4 5 6 4 19
原因
7 1 1 2 11
目的
2 1 0 2 5
方式
0 1 1 0 2
结果 比较
1
0
If
b. 句型
If you work harder, you will succeed.
Work harder, and you will succeed. Work harder, or you won’t succeed. Working harder, you will succeed.
a. 时态 主句一般将来时，从句一般现在时(主将从现)
If the museum charges for entry, a lot of people won’t be able to visit it.
If your dog is depressed, he probably ____ more exercises. A. will need B. needed C. need D. needs
选择题：
Start out right away, __C___you’ll miss the first train. A.and B. but C. or D. while
__B___, and I’ll get the work finished.(06重庆) A. Have one more hour B. One more hour C. Given one more hour D. If I have one more hour