C1 Vocabulary: Talking About Influences, Causes, and Consequences — C1 English vocabulary lesson by Langcom

C1 Vocabulary: Talking About Influences, Causes, and Consequences

ラウル・マグイニャ

Langcom 創設者 | ケンブリッジおよびSIELE試験の試験官

9月 6, 2026

C1📚 語彙⏱️ 読了時間:6分📅 Updated 9月 2026
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To discuss how things affect each other in English at a C1 level, you need a rich vocabulary to describe causes, effects, and the connections between them. Words like impact, implications, source, force, consequence, influence, trigger, stem from, result in, 、および motivate allow you to express complex relationships with precision. Understanding these terms helps you analyze situations, explain origins, and predict outcomes in academic, professional, and daily conversations. For example, you can talk about how a new policy impacts the economy, or how a decision’s implications might be far-reaching. Using this vocabulary correctly shows advanced proficiency and helps you communicate nuanced ideas effectively.

What Vocabulary Describes Causes and Origins?

When you want to explain where something comes from or what started it, these words are very useful:

  • Source (noun): This refers to the origin or starting point of something. It’s where something begins or is obtained from.

  • Force (noun): In this context, a force is a powerful influence or factor that causes change or action. It’s often used metaphorically.

  • Stem from (verb phrase): This means to originate or be caused by something. It shows a direct causal link.

  • Motivate (verb): To motivate someone means to give them a reason or incentive to do something. It’s about inspiring action.

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How Do We Talk About Effects and Results?

To describe what happens because of an action or situation, you can use these terms:

  • Impact (noun/verb): As a noun, it's a powerful effect or influence. As a verb, it means to have a strong effect on something or someone.

  • Implications (noun, plural): These are the possible future effects or results of a decision, action, or situation. They are often not immediately obvious.

  • Consequence (noun): A consequence is a result of a particular action or situation. It often suggests a negative or serious outcome.

  • Result in (verb phrase): This means to cause a particular situation or outcome to happen. It shows what an action leads to.

What Verbs Describe Making Something Happen?

These verbs help you explain how one thing causes or affects another:

  • Influence (verb/noun): As a verb, to influence means to affect or change how someone or something develops, behaves, or thinks. As a noun, it's the power to have such an effect.

  • Trigger (verb/noun): As a verb, to trigger means to cause something to start, often suddenly or unexpectedly. As a noun, it's an event or situation that causes something else to happen.

Summary of Vocabulary for Influences, Causes, and Consequences
Category Word/Phrase 意味
Causes/Origins Source (n) The origin or starting point of something.
Causes/Origins Force (n) A powerful influence or factor.
Causes/Origins Stem from (v. phr.) To originate or be caused by.
Causes/Origins Motivate (v) To give someone a reason to do something.
Effects/Results Impact (n/v) A powerful effect or influence; to have a strong effect.
Effects/Results Implications (n, pl) Possible future effects or results.
Effects/Results Consequence (n) A result of an action/situation, often negative.
Effects/Results Result in (v. phr.) To cause a particular situation or outcome.
Making Happen Influence (v/n) To affect how something develops; the power to do so.
Making Happen Trigger (v/n) To cause something to start suddenly; an event that causes something.

  • The main source of pollution in the city is industrial waste.
  • Economic inequality is a powerful force shaping modern society.
  • Her success stems from years of hard work and dedication.
  • The desire for a better future motivated him to learn English.
  • Climate change has a significant impact on global weather patterns.
  • The new law could have serious implications for small businesses.
  • Failing to plan ahead often has negative consequences.
  • Lack of sleep can result in poor concentration and bad decisions.
  • Parents strongly influence their children's values.
  • The smell of freshly baked bread can trigger childhood memories.

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スペイン語話者がよく犯す間違い

Spanish speakers sometimes make specific errors when using these words:

  • Confusing consequence そして result: While similar, consequence often implies a negative or serious outcome, whereas result is more neutral. For example, 'The result of the experiment was clear' (neutral), but 'The consequences of his actions were severe' (negative).

  • Incorrect prepositions with impact: We usually say impact on または impact upon, not 'impact in' or 'impact to'. For example, The new policy will have a positive impact on the economy (correct) vs. 'The new policy will have a positive impact in the economy' (incorrect).

  • 使用方法 implications for immediate effects: Implications refers to future, often indirect, effects. For immediate, direct effects, use impact または consequence. 例えば、, The immediate impact of the storm was power outages (correct) vs. 'The immediate implications of the storm were power outages' (incorrect).

よくある質問

What is the main difference between 'impact' and 'implications'?

The main difference is time and directness. Impact refers to a direct, often immediate, powerful effect. Implications refer to possible future effects or consequences that might not be immediately obvious or direct.

Can 'force' be used in a positive way?

はい、, force can be positive. For example, you can say Education is a powerful force for social change, meaning it's a strong positive influence.

How is 'stem from' different from 'result in'?

Stem from describes the origin or cause of something (A stems from B, meaning B causes A). Result in describes the outcome or effect of something (A results in B, meaning A causes B). They show cause and effect but from different perspectives.

Why is this vocabulary important for C1 learners?

This vocabulary is crucial for C1 learners because it allows you to express complex ideas about causality, influence, and outcomes with precision. It's essential for academic writing, advanced discussions, and understanding nuanced arguments in English.

How can I use this vocabulary in an English exam?

In a C1 exam, you can use this vocabulary to analyze causes and effects in essays, discuss societal issues, or explain complex relationships in speaking tasks. For example, when asked to discuss a problem, you can use stem from to explain its origins and implications to discuss its future effects.

著者について:ラウル・マグイニャ

ラウル・マグイニャ氏は、認定Cambridge English試験対策センターである「Asociación Educativa Langcom」の所長であり、 あなたの国. 。語学教育および国際資格認定の分野で10年以上の経験を持ち、25カ国にわたる数千人の学生、教師、教育機関が、ケンブリッジ英語検定、IELTS、TOEFL、およびMichiganの英語資格を取得できるよう支援してきました。.

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