Guide: How to Say “I Know English”

Knowing how to express your proficiency in English is essential when communicating with others. Whether you are in a formal or informal setting, being able to confidently convey that you know English can make a lasting impression. In this guide, we will explore various ways to express this idea, including both formal and informal methods. While regional variations may exist, we will focus on commonly used expressions. Let’s dive in!

Formal Ways to Say “I Know English”

In formal situations, such as job interviews, business meetings, or academic environments, it is important to use appropriate language to convey your proficiency in English. Here are some formal ways to express this:

1. “I am fluent in English.”

By stating that you are fluent, you indicate a high level of proficiency in English. This phrase is often used when discussing language skills in a professional context.

2. “I have a strong command of the English language.”

Suggesting that you have a strong command implies that you possess a deep understanding of English and can communicate effectively in both oral and written form.

3. “English is my native language.”

If English is your first language, you can confidently state that it is your native language. This phrase emphasizes a high level of language proficiency.

Informal Ways to Say “I Know English”

In less formal situations, among friends, or casual conversations, you can express your English proficiency in a more relaxed manner. Here are a few examples:

1. “I’m good at English.”

Using this phrase conveys your confidence in English without sounding too formal. It is often used in friendly or informal settings.

2. “I know English like the back of my hand.”

This colloquial expression suggests a high level of familiarity and understanding of English. It’s a more figurative way to express your proficiency in a fun and informal manner.

Tips for Expressing English Proficiency

Now that we have explored some ways to say “I know English” formally and informally, here are a few tips to help you better convey your language skills:

1. Be confident and assertive.

When expressing your English proficiency, it is important to be confident in your abilities. Use strong language and avoid sounding unsure or hesitant.

2. Provide examples or evidence.

If appropriate, back up your claim of knowing English with examples or evidence of your experience and achievements using the language, such as certifications, projects, or successful communication in English-speaking environments.

3. Tailor your language to the situation.

Consider the formality of the setting and adjust your language accordingly. Formal situations often require more professional and precise expressions, while informal situations provide more flexibility to use colloquial language.

Pro Tip: It’s crucial to practice your pronunciation and intonation when speaking English. Clear and confident speech will further emphasize your language skills.


Here are a few examples that demonstrate how to say “I know English” in different situations:

Formal Examples:

  • Interviewer: Do you have any experience with English? Candidate: Yes, I am fluent in English with a strong command of the language.
  • Professor: Can you provide assistance in English language courses? Student: Of course, English is my native language.

Informal Examples:

  • Friend: Can you help me with my English homework? You: Sure, I’m good at English, I can definitely help you out!
  • Colleague: Are you comfortable presenting in English during the meeting? You: Absolutely! I know English like the back of my hand.

Remember, the key is to convey your English proficiency confidently and appropriately based on the context. Understanding the situation and using the right expressions will help you make a positive and lasting impression.


Expressing your proficiency in English can be done both formally and informally, with various phrases to suit different situations. In formal settings, opt for expressions like “I am fluent in English” or “I have a strong command of the English language.” In informal situations, phrases like “I’m good at English” or “I know English like the back of my hand” can be used comfortably. Remember to be confident, provide evidence if necessary, and adapt your language to the situation at hand. With these tips and examples, you can confidently express your English language skills in any context!

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