Irregular verb
The verb to redo
redo → redid → redone
B2Meaning: to do something again · Type: irregular
Key points to remember
- Present Simple:
I/you/we/they redo·he/she/it redoes - Past Simple:
redid(like do → did) - Past participle:
redone - -ing form:
redoing
Conjugation of the verb to redo
Present Simple
| I | redo |
| You | redo |
| He / She / It | redoes |
| We | redo |
| You (pl.) | redo |
| They | redo |
Past Simple
| I | redid |
| You | redid |
| He / She / It | redid |
| We | redid |
| You (pl.) | redid |
| They | redid |
All the forms of the verb to redo
Present Simple
Full pageredo / redoes
“I redo my hair every morning.”
See the pagePresent Continuous
Full pageam / is / are redoing
“I am redoing the exercise right now.”
See the pagePast Simple
Full pageredid
“She redid the kitchen.”
See the pagePast Continuous
Full pagewas / were redoing
“I was redoing the exercise when the phone rang.”
See the pagePresent Perfect
Full pagehave / has redone
“I have already redone the exercise.”
See the pagePast Perfect
Full pagehad redone
“She had already redone the exercise when I arrived.”
See the pageFuture Simple
Full pagewill redo
“I will redo the exercise tomorrow.”
See the pageGoing to Future
Full pageam / is / are going to redo
“I'm going to redo the exercise this weekend.”
See the pageConditional (would)
Full pagewould redo
“I would redo the exercise if I had time.”
See the pageHow to use to redo
1. Doing a task again
- I had to redo my work.
2. Decorating a room again
- She redid the living room.
3. Redo on a computer
- Click redo!
A common mistake
1. Re-: a very useful prefix
Redo, retell, rebuild, rewrite, reread: re + verb = to do something again. The new verb keeps the forms of the base verb: rewrite → rewrote → rewritten.
What's next?
You can conjugate to redo. Now say it out loud.
This page explained everything. On PLAY, you practise this verb out loud in 3 minutes, until it comes naturally.
Practise to redo on PLAYFree · No sign-up · 3 minutes
For teachersReady-made activities to practise to redo in class
The Academy offers self-marking exercises and progress tracking for each student: your class practises, and you see who has got it and who needs more help.
Discover the Academy30-day free trial · No bank card needed
English contestConjugating to redo is a key skill in the English contest
Every year, the Big Challenge tests the key English verbs. Register your students so they can check their level in a real contest.
Register my students5,000 students every year · Primary and secondary
Frequently asked questions
What is the past simple of redo?+
The Past Simple of redo is redid. The past participle is redone. It follows do → did → done, because redo = re + do.
What does redo mean on a computer?+
On a computer, redo means to do again the last action that you cancelled with undo. The shortcut is Ctrl+Y (Windows) or Cmd+Shift+Z (Mac). It is the opposite of undo (Ctrl+Z).
What does redo a room mean?+
Redo a room means to decorate it again and make it look new. She redid the kitchen means she changed the kitchen completely. You hear it a lot when people talk about their homes.
What does the prefix re- mean?+
Re- means again. It is very common: redo (do again), retell (tell again), rebuild (build again), rewrite (write again), reread (read again), restart (start again).
Is it redid or redoed?+
Redo = re + do, so it follows do, which is irregular. Never say redoed. It is the same for undo → undid → undone and overdo → overdid → overdone.
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/redo
© 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.