The verb to understand · Conjugation
Past Simple of understand
The answer: understood
A2
A finished action at a definite time in the past.
Quick answer
The Past Simple of the verb to understand is understood.
Example: I understood the question.
Full conjugation in the Past Simple
| Pronoun | Form |
|---|---|
| I | understood |
| You | understood |
| He / She / It | understood |
| We | understood |
| You (pl.) | understood |
| They | understood |
Common mistakes to avoid
1. Understanded ❌
Understand follows stand: stand → stood → stood, understand → understood → understood. Same pattern.
2. I am understanding ❌
Understand is a state verb. Say I understand, never I am understanding.
3. Understand or realise?
Understand = to get the meaning of something. Realise = to suddenly become aware of something. I understand the rule. I realised I was wrong. (American spelling: realize.)
Practice quiz
Going further
The English contest tests the Past Simple of understand in real sentences
Instead of a single school exercise, your students meet this tense in context, in a contest that really motivates them.
Register my students5,000 students every year · Primary and secondary
Practise on PLAYMaster the Past Simple of understand when you speak, not just on paper
The conjugation is clear in your head. On PLAY, you practise it in a game, with instant feedback, until it comes out on its own.
Practise the Past Simple of understand on PLAYFree · No sign-up · 3 minutes
For teachersYour whole class practises the Past Simple of understand, and you follow each student
The Academy has self-marking activities on this form, with a dashboard for each student: you see at a glance who is falling behind.
Discover the Academy30-day free trial · No bank card needed
Frequently asked questions
What is the past tense of understand?+
The Past Simple of understand is understood. The past participle is the same: understood. Understand → understood → understood.
Why is it understood and not understanded?+
Understand is made of under + stand. Stand is irregular (stand → stood), so understand follows the same pattern.
How do you ask someone to repeat in English?+
Start with I don't understand. Then ask the person to repeat: Sorry, I don't understand. Could you repeat that, please?
Can understand be used in the continuous?+
No. Understand is a state verb. We don't say I am understanding. Always say I understand, in the Present Simple.
Understand or know: what is the difference?+
Understand = to get the meaning. Know = to have the information. I know her name. I understand the problem.
Related pages: understand Past Simple
Pages on a similar topic or with a similar use, so you can keep exploring.
Updated on 12 November 2026 by the Big Challenge teaching team. Every year, more than 500,000 students across Europe take part in our English contest, created in 1999. Our teaching approach →
The Big Challenge · Updated on 12 November 2026 · Source: www.thebigchallenge.com/bl/academy/learn-english/verbs/understand/past-simple
© The Big Challenge. Copying allowed for classroom use. Every year, more than 500,000 students across Europe take part in our English contest, created in 1999.
Keep learning
More forms of the verb to understand are coming soon.