What Is the Past Tense of Teach?

The past tense of teach is taught. It is an irregular verb, so it does not follow the standard pattern of adding -ed to form the past tense. You use taught for all subjects (I, you, he, she, it, we, they) when referring to an action that happened in the past. For example: She taught English last year.

Quick Answer

Past tense: taught
Past participle: taught
Present tense: teach / teaches
Gerund / Present participle: teaching

Use taught when the action of teaching is finished. Example: He taught me how to cook. Use taught as the past participle with auxiliary verbs like have or had. Example: They have taught here for years.

Comparison Table: Teach vs. Taught

Natural Examples

Everyday Conversation

• My dad taught me how to ride a bike when I was six.
• Who taught you that song?
• I taught my little brother to tie his shoes.

Formal or Written Context

• The professor taught advanced physics at the university for two decades.
• She taught the workshop on effective communication last month.
• He taught a course on ethics that was well received.

Email Context

• Thank you for the session you taught last week. It was very helpful.
• I taught the new team members the software basics yesterday.

Informal Tone

• I taught my dog a new trick.
• She taught me a lot about gardening.

Nuance

Use taught when you want to emphasize that the learning happened and is complete. In conversation, people often say taught me rather than taught to me. For example: She taught me the rules sounds natural, while She taught the rules to me is more formal but still correct.

Common Mistakes

Mistake 1: Using “teached” instead of “taught”

Incorrect: He teached me Spanish.
Correct: He taught me Spanish.
Why: Teach is irregular. Never add -ed.

Mistake 2: Confusing “taught” with “thought”

Incorrect: I thought him how to swim.
Correct: I taught him how to swim.
Why: Thought is the past tense of think, not teach.

Mistake 3: Using “taught” in present tense

Incorrect: She taught math every day. (if it is a current habit)
Correct: She teaches math every day.
Why: Use present tense for routines.

Mistake 4: Forgetting the past participle form

Incorrect: I have teached that class before.
Correct: I have taught that class before.
Why: Past participle of teach is also taught.

Better Alternatives and When to Use Them

Sometimes taught is the best word, but in certain contexts you might choose a different verb for clarity or tone.

• Instructed – More formal. Use in official reports or academic writing. Example: The trainer instructed the group on safety procedures.
• Coached – Suggests one-on-one guidance, often for skills or sports. Example: He coached her on public speaking.
• Trained – Focuses on practice and skill development. Example: She trained the staff on the new software.
• Educated – Broader, often about formal schooling. Example: He educated the students on climate change.
• Mentored – Implies long-term guidance and support. Example: She mentored young professionals in her field.

When to use it: Stick with taught for everyday situations. Use alternatives when you need to be more specific about the method or formality.

Mini Practice Section

Test your understanding. Choose the correct form of teach for each sentence.

1. Yesterday, she __________ a class on grammar. (teach / taught / teached)
2. I have never __________ such a difficult subject. (teach / taught / teaching)
3. He __________ me how to fix a car last summer. (teach / taught / teaches)
4. They __________ English at the school for five years now. (have taught / taught / teach)

Answers

1. taught – Completed action yesterday.
2. taught – Past participle with have.
3. taught – Past action last summer.
4. have taught – Present perfect for an action continuing to now.

FAQ

1. Is “teached” ever correct?

No. Teached is not a standard English word. Always use taught for the past tense and past participle.

2. Can I use “taught” for future events?

No. Taught is only for past or completed actions. For future, use will teach or am going to teach. Example: I will teach you tomorrow.

3. What is the difference between “taught” and “learned”?

Taught means you gave instruction. Learned means you received instruction. Example: She taught me, and I learned quickly.

4. How do I use “taught” in a question?

Place the subject after the auxiliary verb or use did. Examples: Did you teach that class? or Who taught you? (no auxiliary needed).

More About Past Tense Forms

If you found this guide helpful, explore other irregular verbs in our Past Tense Forms section. For a deeper look at how verbs change, visit Verb Forms Explained. To avoid common errors, check Common Verb Mistakes. For questions about our content, see our FAQ or contact us.