Grammar Rule in 30 Seconds
Use the base form of a verb after words of suggestion, demand, or necessity to sound professional and precise.
- Use the base verb (no -s, no -ed) after 'that' in suggestions: 'I suggest that he stay.'
- For negatives, put 'not' directly before the verb: 'I recommend that she not leave.'
- The verb 'be' stays as 'be' for all subjects: 'It is vital that they be informed.'
Overview
I suggest that... 这种表达建议、要求或命令的句式中所使用的特殊动词形式。I suggest that... 这种结构，不仅能让你的学术论文（Academic Writing）和商务报告（Business Reports）显得更加地道和专业，更能让你在处理复杂的人际沟通时，通过语气的选择，精准地传达出建议的紧迫性和客观性。这正是 C1 级别学习者所追求的“母语者直觉”。I suggest that he go to the meeting 这个句子中，很多同学的第一反应是：he 后面为什么不是 goes？为什么不是 went？- 中文逻辑：我们通过增加“助词”或“副词”来表达建议。比如：“我建议他应该去”或“我建议他去吧”。动词“去”没有任何变化。
- 英文逻辑：除了可以使用
should（这在英式英语中很常见），更高级、更正式的做法是改变“语式”（Mood）。通过剥离动词的所有词尾（-s, -ed, -ing），只留下最纯粹的原形，来暗示这是一种“被提议的动作”。
[主句主语] + [特定动词/形容词] + that + [从句主语] + [动词原形] + [其他]- 动词类：
suggest(建议),recommend(推荐),insist(坚持要求),demand(要求),propose(提议),request(请求),urge(敦促),stipulate(规定),mandate(强制). - 形容词类（常用于
It is... that...结构）：essential(本质的/必要的),important(重要的),vital(至关重要的),crucial(关键的),imperative(迫切的),advisable(明智的).
that 引导的从句中，无论主语是 I, you, he, she, it, we 还是 they，动词一律使用原形。尤其是 be 动词，必须直接写成 be，而不能是 am, is, are, was, were。that | 从句主语 | 动词原形 (Subjunctive) | 完整示例 |I suggest | that | he | submit | I suggest that he submit the report. |The law demands | that | everyone | be | The law demands that everyone be equal. |It is vital | that | she | not leave | It is vital that she not leave now. |They proposed | that | the project | be halted | They proposed that the project be halted. |- 否定式：直接在动词原形前加
not，千万不要加don't或doesn't。 - 正确：
I recommend that he not sign the contract. - 错误：
I recommend that he doesn't sign the contract. - 被动语态：使用
be + 过去分词。 - 正确：
It is essential that the data be analyzed carefully.
The board suggests that the CEO reconsider the acquisition strategy.(董事会建议首席执行官重新考虑收购策略。)- 这种表达比
The CEO should reconsider显得更正式，更有分量。
It is recommended that further studies be conducted to verify these findings.(建议进行进一步研究以验证这些发现。)- 这里的
be conducted体现了学术表达的严谨性。
The contract stipulates that the tenant pay the rent on the first of each month.(合同规定承租人须在每月初支付租金。)- 注意这里的
pay，它强调的是一种法律规定的义务，而非描述一个日常习惯。
It is imperative/vital that... 配合虚拟语气，能产生一种强烈的心理暗示。It is crucial that every employee be aware of the new safety protocols.(每位员工都必须了解新的安全协议，这至关重要。)
insist 配合虚拟语气是一个极佳的选择。I insist that he be given a fair chance to explain.(我坚持认为应当给他一个公平解释的机会。)
he/she/it 后面要加 -s，这种肌肉记忆很难克服。- 错误：
The doctor suggested that she rests for a week. - 正确：
The doctor suggested that she rest for a week. - 解析：在虚拟语气中，动词原形是“最高指令”，它屏蔽了主语对动词的影响。你可以把它想象成动词戴了一层“防护罩”。
don't/doesn't/didn't。但在虚拟语气中，这些助动词都是多余的。- 错误：
It is important that he doesn't forget the keys. - 正确：
It is important that he not forget the keys. - 解析：记住，虚拟语气追求的是极简的动词形式。直接用
not即可。
insist 和 suggest）具有双重身份。如果它们表达的是“陈述一个事实”，则不需要使用虚拟语气。这是 C1 考试中经常出现的干扰项。- 场景 A（建议）：
I insist that he go.(我坚持要求他走。——动作还没发生，是我的要求。) - 场景 B（事实）：
I insist that he is innocent.(我坚持认为他是无辜的。——我是在陈述一个我认为的事实。) - 解析：判断标准是：从句的内容是一个“应当发生的动作”还是一个“已经存在的状态”？
suggest that he do | 最正式、专业、客观 | I suggest that he attend. |suggest that he should do | 英式英语常用，较温和 | I suggest that he should attend. |suggest that he does | 非正式，口语中常见 | I suggest that he attends. (严格来说非标准) |suggest doing | 简洁，不指明具体主语 | I suggest attending the meeting. |- 1
The manager insists that the employee is efficient.
- 语气：陈述事实（Indicative）。经理在夸奖员工：他坚持认为这个员工效率很高。
- 1
The manager insists that the employee be efficient.
- 语气：指令虚拟（Subjunctive）。经理在提要求：他坚持要求这个员工（以后）必须提高效率。
is vs. be）在商务谈判或法律纠纷中可能会导致完全不同的结果。作为 C1 级别的学习者，你必须具备辨析这种细微差别的能力。he go 很别扭。should，或者直接用陈述语气。但在 C1 级别的写作、正式演讲或雅思/托福考试中，使用动词原形的虚拟语气会显著提升你的得分，因为它展示了你对高级语法结构的驾驭能力。that 吗？that，例如 I suggest he go。但在 C1 级别的正式写作中，建议保留 that。这不仅是为了语法的严谨，更是为了让句子的逻辑结构更加清晰，方便读者阅读复杂的长难句。I suggested（过去时），从句依然使用动词原形。例如：I suggested that he be invited. 这里的 be 不受主句时态的影响，因为它表达的是建议的内容，而不是建议发生的时间。should。例如，美国人说 I suggest he stay，英国人可能说 I suggest he should stay。但在现代国际商务环境中，美式的简练用法正变得越来越普遍。Subjunctive vs. Indicative (The Verb 'To Be')
| Subject | Indicative (Fact) | Subjunctive (Suggestion) |
|---|---|---|
|
I
|
am
|
be
|
|
You
|
are
|
be
|
|
He/She/It
|
is
|
be
|
|
We
|
are
|
be
|
|
They
|
are
|
be
|
Meanings
The mandative subjunctive is used in 'that' clauses to express a wish, hope, suggestion, or command. It uses the base form of the verb regardless of the subject.
Formal Suggestions
Used with verbs like suggest, recommend, or propose to offer advice in a professional manner.
“I suggest that he arrive early.”
“We propose that the meeting be postponed.”
Demands and Requirements
Used with verbs like demand, insist, or require to express an authoritative order.
“The law requires that every citizen pay taxes.”
“I insist that she be told the truth.”
Adjectives of Necessity
Used after 'It is...' followed by adjectives like essential, vital, or crucial.
“It is essential that he be here.”
“It is vital that we not lose this contract.”
Reference Table
| Form | Structure | Example |
|---|---|---|
|
Affirmative
|
that + subject + base verb
|
I suggest that he **go**.
|
|
Negative
|
that + subject + not + base verb
|
I insist that she **not stay**.
|
|
Passive
|
that + subject + be + past participle
|
It is vital that he **be told**.
|
|
Negative Passive
|
that + subject + not + be + past participle
|
I recommend that it **not be used**.
|
|
With 'Be'
|
that + subject + be
|
It is essential that they **be** here.
|
|
Continuous
|
that + subject + be + -ing
|
I suggest that he **be waiting** when she arrives.
|
正式程度
I move that the visitor be asked to leave. (Workplace/Social)
I suggest that he leave. (Workplace/Social)
I think he should go. (Workplace/Social)
Tell him to bounce. (Workplace/Social)
Subjunctive Trigger Verbs
Suggestions
- Suggest To offer an idea
- Recommend To advise
- Propose To put forward a plan
Demands
- Insist To demand firmly
- Demand To order
- Require To make necessary
Indicative vs. Subjunctive
Should I use the Subjunctive?
Is there a trigger word (suggest, vital, etc.)?
Is the context formal?
按水平分级的例句
I think you go now.
I think you should go now.
Please be quiet.
Please be quiet.
I want you to stay.
I want you to stay.
It is good to help.
It is good to help.
I suggest you should go.
I suggest you should go.
It is important to be early.
It is important to be early.
He says that we stay.
He says that we should stay.
I recommend this book.
I recommend this book.
I suggest that he take a taxi.
I suggest that he take a taxi.
It is necessary that she be here.
It is necessary that she be here.
They insisted that we not leave.
They insisted that we not leave.
We propose that the plan change.
We propose that the plan change.
The doctor recommended that he stop smoking.
The doctor recommended that he stop smoking.
It is vital that the project be finished.
It is vital that the project be finished.
I demand that she apologize.
I demand that she apologize.
He suggested that we not wait for him.
He suggested that we not wait for him.
It is imperative that the witness be sequestered.
It is imperative that the witness be sequestered.
The committee moves that the motion be tabled.
The committee moves that the motion be tabled.
I suggest that he not be given another chance.
I suggest that he not be given another chance.
It is crucial that the data not be corrupted.
It is crucial that the data not be corrupted.
Lest the public be alarmed, the news was suppressed.
Lest the public be alarmed, the news was suppressed.
The decree stipulates that no person enter the grounds.
The decree stipulates that no person enter the grounds.
It is of the utmost importance that he not be seen.
It is of the utmost importance that he not be seen.
I propose that the existing legislation be repealed.
I propose that the existing legislation be repealed.
容易混淆
Learners don't realize 'insist' can take both moods with different meanings.
You can say 'I suggest going' but not 'I suggest him going'.
常见错误
I suggest him to go.
I suggest that he go.
It is important he goes.
It is important that he go.
I insist that he doesn't stay.
I insist that he not stay.
I suggest that he be's here.
I suggest that he be here.
句型
It is essential that ___ be ___.
I suggest that ___ not ___ until ___.
Real World Usage
I suggest that my references be contacted for further verification.
The agreement requires that the tenant pay the rent by the first of the month.
It is vital that the patient not consume alcohol while on this medication.
We propose that the data be re-evaluated using a different model.
I suggest you be there on time for once!
I recommend that the meeting be moved to 3 PM.
The 'Be' Test
No 'Should' in the Pure Form
Drop the 'That'
British vs American
Smart Tips
Check for an 's' on the verb. If it's there, delete it!
Avoid 'don't' or 'doesn't'. Just use 'not'.
Always use 'be'. No exceptions.
Use 'I suggest that...' instead of 'You must...'. The subjunctive makes it a formal proposal rather than a personal order.
发音
Stress on Trigger
In subjunctive sentences, the stress usually falls on the trigger verb (suggest, insist) and the 'not' if it's negative.
Authoritative Falling
I insist that he be ↘ present.
Conveys a firm, non-negotiable demand.
记住它
记忆技巧
Remember: 'Sub-junction' is where the 'S' and 'Should' get dropped at the junction.
视觉联想
Imagine a judge (formal) pointing a finger and saying 'I demand that he BE quiet!' The judge doesn't use 'is' or 'are', only the pure 'BE'.
Rhyme
When you suggest or you demand, Keep the base verb close at hand.
Story
A CEO is giving a speech. He says, 'I suggest that every employee **be** happy. I insist that no one **work** late. It is vital that we **not fail**.' He sounds very professional because he never uses 'is' or 'works'.
Word Web
挑战
Write three professional emails in your head: one suggesting a change, one demanding a refund, and one stating an essential rule, all using the subjunctive.
文化笔记
Americans use the mandative subjunctive much more frequently than the British, even in semi-formal speech.
British speakers often find the pure subjunctive slightly 'stiff' and prefer to insert 'should'.
In global academic writing, the subjunctive is preferred as it sounds more objective and less like a personal opinion.
The subjunctive mood comes from Old English and Proto-Indo-European, where it had distinct endings for almost every person.
对话开场白
What would you suggest that a tourist see in your city?
If you were the boss, what would you insist that your employees do?
What is one rule in your country that you propose be changed?
日记主题
常见错误
Test Yourself
The manager insisted that he ___ the report by Friday.
Find and fix the mistake:
It is essential that she doesn't forget her passport.
I propose that the motion ___ postponed until the next session.
You should stay here. (I suggest...)
'The doctor recommended that he takes a week off.'
A: 'The project is failing!' B: 'Then I suggest that the strategy ___ immediately.'
Select the group that all trigger the subjunctive.
Match each item on the left with its pair on the right:
Score: /8
练习题
8 exercisesThe manager insisted that he ___ the report by Friday.
Find and fix the mistake:
It is essential that she doesn't forget her passport.
I propose that the motion ___ postponed until the next session.
You should stay here. (I suggest...)
'The doctor recommended that he takes a week off.'
A: 'The project is failing!' B: 'Then I suggest that the strategy ___ immediately.'
Select the group that all trigger the subjunctive.
1. It is vital... 2. I suggest... 3. They demand...
Score: /8
Practice Bank
12 exercisesIt's important that she ___ (understand) the gravity of the situation.
The company demanded that all employees arrives on time.
Which sentence is correct?
Translate into English: 'Recomiendo que ella estudie para el examen.'
Arrange these words into a sentence:
Match the verbs with the correct subjunctive phrase:
The doctor advised that he ___ (rest) for a few days.
We requested that the meeting is rescheduled.
Which option is correct?
Translate into English: 'Insisto en que ella esté aquí.'
Unscramble the words to form a correct sentence:
Pair the beginnings with their correct endings:
Score: /12
常见问题 (8)
Yes, especially in American English and formal writing worldwide. While it sounds formal, it is not 'dead'.
Yes, 'I suggest that he should go' is perfectly correct, especially in British English. However, the subjunctive is more common in formal US English.
Because the subjunctive uses the base form of the verb, and the negative of a base form is simply `not` + verb. There is no 'do-support' in the subjunctive.
The mandative subjunctive (suggestions) does not change for the past. 'I suggested that he go' is correct, even if the suggestion happened yesterday.
The most common are `essential`, `vital`, `important`, `crucial`, `imperative`, and `necessary`.
No. 'Hope' uses the indicative. 'I hope that he goes' (not 'go'). Only verbs of suggestion/demand use the subjunctive.
Yes, it is a very common error. 'Suggest' cannot be followed by an object + infinitive. You must use a 'that' clause or a gerund ('I suggest going').
Use 'be' for all subjects. 'It is vital that I be / you be / he be / they be'. Never use 'am', 'is', or 'are'.
Scaffolded Practice
1
2
3
4
Mastery Progress
Needs Practice
Improving
Strong
Mastered
In Other Languages
Presente de Subjuntivo
English has one form (base), Spanish has many.
Le Subjonctif
French subjunctive is mandatory in speech; English is often optional/formal.
Konjunktiv I
German uses it more for reporting speech than for simple suggestions.
~hou ga ii / ~beki
Japanese uses sentence-ending particles rather than internal verb changes.
Al-Mudaari' al-Mansuub
Arabic subjunctive is triggered by specific particles, similar to the English 'that'.
yào / jiànyì
Chinese relies entirely on context and specific vocabulary.
Learning Path
Prerequisites
Learn These First
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