Grammar Rule in 30 Seconds
Use First Conditional questions to ask about the likely results of a possible future action or event.
- Use 'Present Simple' in the 'if' clause, never 'will'. Example: 'If it rains...'
- Use 'will' + base verb in the question clause. Example: '...will you stay?'
- If the 'if' clause comes first, use a comma. Example: 'If you go, will you call?'
Overview
First Conditional（第一条件句）是描述未来真实可能性及其后果的核心语法点。对于母语为中文的同学来说，理解这一概念并不难，因为中文在表达“如果……就……”这类因果关系时，逻辑非常直观。然而，中文语法与英语有一个本质的区别：中文没有动词时态变化（Tense），也没有复杂的从句时态协调。在中文里，我们说“如果明天不下雨，我们就去踢球”，动词“下雨”和“去”在形式上完全没有改变。但在英语中，为了体现从句（if clause）与主句（main clause）的时间逻辑，我们必须遵循一套严格的规则：从句用一般现在时（Simple Present），主句用一般将来时（will）。First Conditional Questions（第一条件句问句）对于B1水平的学习者至关重要。无论是你在微信上和朋友商量周末去哪里喝奶茶，还是在大学里询问老师关于作业的截止日期，或者是为了应付职场沟通，能够准确地提出基于条件的未来假设，能让你听起来非常地道。很多人因为受到中文“不论从句还是主句，动词都不变”的思维定势影响，习惯在 if 从句中也加上 will，这在英语中是严重的语法错误。通过本篇学习，我们将彻底攻克这个难点，让你在表达未来计划时更加自信。First Conditional 的核心在于“现实的可能性”。它与虚拟语气（Second/Third Conditional）不同，后者处理的是假设或不可能的情况，而第一条件句处理的是我们认为“很有可能发生”的未来。在英语中，我们通过语法手段将两个动作连接起来：一个是前提条件（Condition），一个是结果（Consequence）。if 从句起到限定时间范围的作用。英语语法规定，在表示将来时间的从句中，不能直接使用 will，而必须使用一般现在时（Simple Present）。这在中文里是完全不存在的概念。你可以这样理解：if 从句设定了一个“门槛”，这个门槛是基于当前事实的推测，所以用一般现在时；而主句则是对门槛之后结果的询问，所以用 will。例如，“如果我明天去淘宝买衣服，我会买哪件？”对应的英语是 If I buy clothes on Taobao tomorrow, which one will I choose? 注意这里的 buy 是原型，而 will I choose 才是询问结果的结构。First Conditional Questions 时，我们需要特别注意 will 的位置。在疑问句中，will 必须提到主语之前，形成倒装结构。if 后面跟现在，will 后面跟将来。永远不要在 if 后面加 will。- Yes/No 问句：
Will + 主语 + 动词原形 + if + 主语 + 动词一般现在时?
Will you go to the party if she invites you? (如果你朋友在微信上邀请你，你会去吗？)- 特殊疑问句 (Wh-question)：
疑问词 + will + 主语 + 动词原形 + if + 主语 + 动词一般现在时?
What will you eat if you order takeout tonight? (如果你今晚点外卖，你会吃什么？)- 1制定计划与协调： 这是最常见的场景。比如在大学里，
If the library is open, will you study there?（如果图书馆开门，你会去那里学习吗？）。 - 2预测后果： 当你需要评估某种行为的后果时。例如，
If I miss the subway, will I be late for the meeting?（如果我错过了地铁，我会开会迟到吗？）。 - 3寻求建议： 询问他人的意见。例如，
If I buy this milk tea, will it be too sweet?（如果我买这杯奶茶，会太甜吗？）。
- 1在
if从句中误用will： 这是中国学生最常见的错误，因为中文习惯说“如果明天会下雨”，英语中will在条件从句中是多余的。
- 错误：
If it will rain, will you stay home? - 正确：
If it rains, will you stay home?
- 1主句中忘记使用
will： 有些同学会直接用现在时态，导致句子听起来像是一个陈述句而不是疑问句。
- 错误：
If you go to the mall, you buy a gift? - 正确：
If you go to the mall, will you buy a gift?
- 1动词形式错误： 在
will之后使用了第三人称单数形式（加了 -s）。
- 错误：
Will she gets a promotion if she works hard? - 正确：
Will she get a promotion if she works hard?
- 1问：我可以把
if从句放在句首吗？
If you finish your work early, will you go to the gym?- 1问：除了
if，还有其他词可以用吗？
unless (除非), as long as (只要)。用法与 if 一致，从句都要用一般现在时。- 1问：
will可以换成can或should吗？
can 或 should 代替 will。例如：If you have time, can you help me with my homework?3. First Conditional Question Structure
| Question Word (Optional) | Will Clause (Main) | Subject | Base Verb | If Clause (Condition) |
|---|---|---|---|---|
|
-
|
Will
|
you
|
go
|
if it rains?
|
|
What
|
will
|
she
|
do
|
if she loses?
|
|
Where
|
will
|
they
|
stay
|
if the hotel is full?
|
|
-
|
Will
|
he
|
call
|
if he has time?
|
|
How
|
will
|
we
|
pay
|
if we lose our money?
|
3. Common Contractions in Questions
| Full Form | Contraction | Usage Note |
|---|---|---|
|
What will
|
What'll
|
Common in spoken English
|
|
Who will
|
Who'll
|
Common in spoken English
|
|
Where will
|
Where'll
|
Informal speech only
|
|
Will not
|
Won't
|
Used for negative questions
|
Meanings
A structure used to ask about the probable result of a specific condition that might happen in the future.
Seeking Predictions
Asking someone to predict an outcome based on a possible event.
“Will the team be upset if we lose the game?”
“What will happen if the flight is delayed?”
Negotiation and Planning
Using questions to set terms or make arrangements for future scenarios.
“If I finish the report early, will you let me leave at 4 PM?”
“Will you help me move if I buy you pizza?”
Warnings and Consequences
Asking about the negative results of a potential mistake or action.
“What will your boss say if you arrive late again?”
“Will the car break down if I don't change the oil?”
Reference Table
| 结构 | If从句 (条件) | 主句 (结果) | 疑问句示例 |
|---|---|---|---|
|
基本是非问句
|
if + Subject + Simple Present
|
will + Subject + Base Verb
|
If it rains, will we stay home?
|
|
带疑问词
|
if + Subject + Simple Present
|
Q-word + will + Subject + Base Verb
|
What will you do if it rains?
|
|
If从句在前
|
If + S + Simple Present,
|
will + S + Base Verb?
|
If she calls, will you answer?
|
|
主句在前
|
if + S + Simple Present
|
Will + S + Base Verb +
|
Will you answer if she calls?
|
|
使用'unless'
|
unless + Subject + Simple Present
|
will + Subject + Base Verb
|
Unless you study, will you pass?
|
|
带其他情态动词
|
if + Subject + Simple Present
|
can/may + Subject + Base Verb
|
If he arrives, can we start?
|
|
是非否定问句
|
if + Subject + Simple Present
|
won't + Subject + Base Verb
|
If it's late, won't you be tired?
|
正式程度
If I require assistance, will you be available to help? (Work or social help)
If I need help, will you help me? (Work or social help)
Will you give me a hand if I get stuck? (Work or social help)
You gonna back me up if things go south? (Work or social help)
第一条件句疑问句要点
结构
- If从句 (条件) Simple Present
- 主句 (结果) Will + Base Verb
目的
- 计划 What will we do if...?
- 后果 What will happen if...?
- 决定 Will you go if...?
关键规则
- “if”中无“will” ❌ If it will rain... ✅ If it rains...
“If”与“When”在未来疑问句中的区别
构成第一条件句疑问句
你需要具体信息吗？
疑问词（或“Will”）之后是什么？
你有结果的条件吗？
“if”从句在开头吗？
以问号结尾吗？
何时使用第一条件句疑问句
日常计划
- • 周末活动
- • 晚餐计划
- • 旅行安排
解决问题
- • 技术故障
- • 错过截止日期
- • 突发事件
社交互动
- • 见面
- • 分享任务
- • 请求帮助
学术/工作
- • 项目步骤
- • 面试问题
- • 政策变化
按水平分级的例句
If it rains, will you stay?
If it rains, will you stay?
Will you help me if I ask?
Will you help me if I ask?
If you are hungry, will you eat?
If you are hungry, will you eat?
What will you do if you go?
What will you do if you go?
If she calls you, will you answer?
If she calls you, will you answer?
Will we be late if we take the bus?
Will we be late if we take the bus?
If you don't study, will you pass?
If you don't study, will you pass?
Where will you stay if the hotel is full?
Where will you stay if the hotel is full?
If the weather improves, will we go for a hike?
If the weather improves, will we go for a hike?
What will the boss say if we miss the deadline?
What will the boss say if we miss the deadline?
If I give you my number, will you text me?
If I give you my number, will you text me?
Will you be angry if I tell you the truth?
Will you be angry if I tell you the truth?
If the economy doesn't recover soon, will interest rates rise?
If the economy doesn't recover soon, will interest rates rise?
Will you consider the offer if we increase the salary?
Will you consider the offer if we increase the salary?
If I invest in this company, will I see a profit this year?
If I invest in this company, will I see a profit this year?
What will happen to the environment if we don't reduce plastic use?
What will happen to the environment if we don't reduce plastic use?
If the legislation passes, will it fundamentally change the industry?
If the legislation passes, will it fundamentally change the industry?
Will the shareholders be satisfied if the merger is delayed?
Will the shareholders be satisfied if the merger is delayed?
If we implement these changes, will the system be more efficient?
If we implement these changes, will the system be more efficient?
What repercussions will we face if the data is leaked?
What repercussions will we face if the data is leaked?
If the geopolitical climate destabilizes further, will global trade be hampered?
If the geopolitical climate destabilizes further, will global trade be hampered?
Will the integrity of the study be compromised if the sample size is reduced?
Will the integrity of the study be compromised if the sample size is reduced?
If the central bank intervenes, will it suffice to curb inflation?
If the central bank intervenes, will it suffice to curb inflation?
What will the long-term societal impact be if automation replaces 50% of jobs?
What will the long-term societal impact be if automation replaces 50% of jobs?
容易混淆
Learners use 'would' when the situation is actually possible.
Using 'if' when the event is certain to happen.
Putting 'will' in both clauses because both refer to the future.
常见错误
If it will rain, will you go?
If it rains, will you go?
If you hungry, will you eat?
If you are hungry, will you eat?
Will you go if it rain?
Will you go if it rains?
If you go will you call?
If you go, will you call?
What you will do if you lose?
What will you do if you lose?
If I am late will you be angry?
If I am late, will you be angry?
Will you stay if I will stay?
Will you stay if I stay?
If he doesn't comes, will we start?
If he doesn't come, will we start?
Will you can help me if I have a problem?
Will you be able to help me if I have a problem?
If I would see him, will I tell him?
If I see him, will I tell him?
If the results will be positive, will you publish?
If the results are positive, will you publish?
Will you should go if they ask?
Should you go if they ask?
If it happens, will you have finished?
If it happens, will you have finished?
句型
If it ___, will you ___?
What will you do if ___?
Will you ___ if I ___?
How will they react if ___?
Real World Usage
If I'm late, will you wait for me?
If I take this role, will I have a mentor?
Will it be cheaper if I don't get the drink?
What will we do if the train is cancelled?
If I buy two, will you give me a discount?
If I post this, will people find it funny?
听清“will”！
“if”从句里不能有“will”！
倒装句式，强调效果！
直接还是间接？
逗号规则要记牢！
Smart Tips
Stop! Replace 'will' with the present tense immediately.
Start with the 'if' clause to make the request sound less demanding.
Use 'What'll' instead of 'What will'.
Always check for the comma after the 'if' clause.
发音
The 'Will' Jump
In questions, the word 'will' is often unstressed and sounds like /wəl/.
Contraction of 'What will'
In fast speech, 'What will' sounds like 'What'll' /wɒtəl/.
Rising Intonation
If you go, will you call? ↗
Standard for Yes/No questions.
Falling Intonation
What will you do if you lose? ↘
Standard for Wh- questions.
记住它
记忆技巧
IF is for the PRESENT, WILL is for the QUESTION.
视觉联想
Imagine a fork in the road. One path has a sign 'IF' with a clock showing 'NOW' (Present Simple). The other path has a giant question mark made of the word 'WILL'.
Rhyme
If the present is the case, Will asks about the future race.
Story
A traveler stands at a gate. The guard says, 'If you have the key (Present), will you enter (Question)?' The traveler checks his pocket. It's a real possibility, not a dream.
Word Web
挑战
Write 3 questions you would ask a friend if they won a free trip to Hawaii tomorrow.
文化笔记
British speakers often use 'shall' instead of 'will' in the first person, though it sounds quite formal today.
Americans almost exclusively use 'will' or 'going to' in these questions. 'Shall' is very rare.
In negotiations, First Conditional questions are used to 'test the waters' without making a firm commitment.
Conditionals in English evolved from Old English 'gif' (if) which was used to set a premise.
对话开场白
If you win the lottery tomorrow, what will you buy first?
If it rains this weekend, what will you do instead of going outside?
If you move to a new country, what will you miss most about home?
If your phone breaks today, how will you contact your friends?
日记主题
常见错误
Test Yourself
If it rains, what ___ you do?
Find and fix the mistake:
If he will come, will you tell him the news?
Arrange the words in the correct order:
All words placed
Click words above to build the sentence
Score: /3
练习题
8 exercisesIf it ___ (rain), ___ you ___ (take) an umbrella?
Select the correct question:
Find and fix the mistake:
What will you do if you will lose your passport?
Statement: If I help you, you will finish early.
1. If you are tired... / 2. If you are hungry... / 3. If you are bored...
A: I'm going to the store. B: If you go, ___ you ___ some milk?
A: If I see him, will I tell him? B: Will you go if it rains? C: If it will rain, will you go?
if / what / you / will / do / fails / the / plan / ?
Score: /8
Practice Bank
12 exercisesWhat ___ happen if I press this button?
If you don't call me, what will happen?
Which sentence correctly asks about a future possibility?
Translate into English: 'Si llegas tarde, ¿te perderás el inicio de la película?'
Arrange these words into a sentence:
Match the conditions with their question beginnings:
If you don't leave now, ___ you miss your flight?
What will happen if he will ignore our advice?
Which sentence is grammatically correct?
Translate into English: 'Si hace sol mañana, ¿iremos a la playa?'
Arrange these words into a sentence:
Match the question starters:
Score: /12
常见问题 (8)
Yes! You can say `If it rains, are you going to stay?`. It is very common in informal speech.
In English, the 'if' clause is a condition, not a future event. We use the present tense to set the 'reality' of the condition.
Absolutely. `Will you help me if I ask?` is just as correct as `If I ask, will you help me?` Just remember to remove the comma.
Yes. `If I finish, can I go?` or `If he arrives, should I call you?` are variations of the first conditional.
`Unless` means `if... not`. So, `Will you go unless it rains?` means `Will you go if it doesn't rain?`.
Only if the `if` clause comes first. If the `will` clause is first, no comma is used.
No. Use the Second Conditional (`If I were a bird...`) for imaginary things. Use First Conditional for things that might actually happen.
Use short answers: `Yes, I will.` or `No, I won't.`
Scaffolded Practice
1
2
3
4
Mastery Progress
Needs Practice
Improving
Strong
Mastered
In Other Languages
Si + Presente + Futuro
Spanish speakers often struggle with the 'do-support' in English questions.
Si + Présent + Futur
French speakers might try to use the future after 'si' in English (Si il pleuvra).
Wenn + Präsens + Futur
German word order changes significantly in the 'if' clause.
~tara / ~ba forms
Japanese doesn't have a direct equivalent to 'will' for the future.
In / Idha + Verb
The use of past tense for future conditions is a major hurdle for Arabic speakers.
Rúguǒ... jiù...
There is no change in the verb form at all in Chinese.
Learning Path
Prerequisites
Learn These First
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