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. You say taught for both the simple past and the past participle. For example: “She taught English in Japan last year” (simple past) and “He has taught at this school for a decade” (past participle).
Quick Answer
Base form: teach
Past tense: taught
Past participle: taught
Present participle / gerund: teaching
Third person singular: teaches
Use taught when you talk about a finished action of instructing or showing someone how to do something. It never becomes teached.
When to Use Taught in Real Writing and Conversation
Taught works in both formal and informal contexts. In a formal email, you might write: “I taught the advanced grammar module last semester.” In a casual conversation, you could say: “My dad taught me how to change a tire.” The word carries a sense of direct instruction or guided learning.
One nuance: taught often implies a personal or direct transfer of knowledge, while instructed can feel more formal or procedural. For example, “She taught me patience” sounds personal, whereas “She instructed me on the safety protocol” sounds like a workplace rule.
Comparison Table: Teach vs. Other Common Irregular Verbs
| Base Form | Past Tense | Past Participle | Example (Past) |
|---|---|---|---|
| teach | taught | taught | She taught math yesterday. |
| catch | caught | caught | He caught the ball. |
| buy | bought | bought | They bought a new car. |
| think | thought | thought | I thought about it. |
| bring | brought | brought | She brought snacks. |
Notice that teach, catch, buy, think, and bring all change their vowel sound in the past tense. They do not follow a single rule, so memorizing them is helpful.
Natural Examples of Taught in Context
- Everyday conversation: “My grandmother taught me how to bake bread when I was ten.”
- Work email: “I taught the new team members the reporting system during onboarding.”
- Academic writing: “The professor taught a course on Renaissance art for fifteen years.”
- Past participle with have: “We have taught this lesson many times, so we know the common questions.”
- Passive voice: “The children were taught by a visiting artist.”
Common Mistakes with Taught
Mistake 1: Using “teached”
This is the most frequent error. Because regular verbs add -ed, learners often say teached. Always use taught.
Wrong: “He teached me Spanish.”
Right: “He taught me Spanish.”
Mistake 2: Confusing taught with thought
Taught (related to teaching) and thought (past tense of think) sound similar but are different. Taught rhymes with caught, while thought rhymes with sought.
Wrong: “She thought me how to swim.” (This means she had an idea about me, not that she instructed me.)
Right: “She taught me how to swim.”
Mistake 3: Using taught for non-instructional learning
Use taught only when someone actively instructs. For self-learning, use learned or studied.
Awkward: “I taught myself by reading a book.” (This is acceptable but can sound odd. Better: “I learned by reading a book.”)
Better: “I learned to play guitar from online videos.”
Better Alternatives and When to Use Them
Sometimes taught is not the best word. Here are alternatives for different contexts:
- Instructed: Use in formal or procedural settings. “The trainer instructed the staff on emergency procedures.”
- Coached: Use for sports, performance, or personal development. “He coached the team on defensive strategies.”
- Mentored: Use for long-term guidance. “She mentored me during my first year at the company.”
- Trained: Use for skill-building, often in a workplace. “They trained the new hires on the software.”
- Educated: Use for formal schooling or broad knowledge. “The program educated students about environmental issues.”
When you want to emphasize the act of giving knowledge directly, taught is usually the simplest and most natural choice.
Mini Practice: Test Your Knowledge
Fill in the blank with the correct form of teach (teach, teaches, taught, teaching). Answers are below.
- My mother ______ me how to ride a bicycle when I was six.
- She ______ English at the university for over twenty years.
- Right now, he is ______ his daughter how to tie her shoes.
- They have never ______ a class before, so they are nervous.
Answers
- taught
- has taught (or taught, if the action is finished)
- teaching
- taught
Frequently Asked Questions
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 animals or machines?
Yes, but it is less common. You might say, “I taught my dog to sit,” or “The program taught the robot to recognize faces.” It is acceptable in informal and technical contexts.
3. What is the difference between “taught” and “learned”?
Taught means you gave instruction. Learned means you received or acquired knowledge. For example: “I taught him French” (I was the teacher). “I learned French” (I was the student).
4. How do I pronounce “taught”?
It rhymes with caught, bought, and thought. Say /tɔːt/ (like “tawt”). The gh is silent.
Final Tip for Real Use
When you write an email or speak about a past teaching experience, remember: taught is your only correct choice. If you are unsure, test the sentence by replacing taught with taught in your mind—if it sounds right, you are good. For more help with irregular verbs, explore our Past Tense Forms section. You can also check Common Verb Mistakes for other tricky verbs. If you have questions, visit our FAQ page or contact us.
