Past Simple: Rules, Irregular Forms & Practice

The past simple is the workhorse of English storytelling — it narrates finished events: I woke up, ate breakfast, and left for work. Master three things and it is yours: forming it (regular -ed and irregular verbs), using it (finished time, sequences), and pronouncing the -ed ending correctly.

The past simple conjugator

Type any verb and get the complete picture: the past form, the negative, the question — and for regular verbs, the correct -ed pronunciation. Try an irregular one like go or buy and it pulls the real forms.

Past simple conjugator

Type any verb — regular or irregular — and get every past simple form instantly.

workstudystopwatchplaydecidegowritebuyhave

work → worked🔊 /t/ (voiceless final sound → /t/)

Spelling rule: add -ed

Subject	Affirmative	Negative	Question
I	worked	didn't work	Did I work?
you	worked	didn't work	Did you work?
he / she / it	worked	didn't work	Did she work?
we	worked	didn't work	Did we work?
they	worked	didn't work	Did they work?

Notice: negatives and questions always use the base form — did already carries the past.

The one rule that matters most

Use the past simple for events in a finished, specific time — stated or understood:

Signal words	Example
yesterday, last night/week/year	We met last Tuesday.
ago	He left two hours ago.
in + past year	She graduated in 2015.
when clauses	When I was a child, we lived by the sea.

Compare: “I have seen him yesterday” is wrong because yesterday is finished time — say “I saw him yesterday.” The full contrast is in our present perfect vs past simple lesson.

Forming the three sentences

For every verb, regular or irregular, the pattern is identical:

	Pattern	Example
Affirmative	subject + past form	She watched the film. / They went home.
Negative	subject + didn’t + base	She didn’t watch it. / They didn’t go.
Question	Did + subject + base?	Did she watch it? / Did they go?

The classic learner error: “Did you watched?” — never. Did already carries the past; the main verb returns to its base form.

Spelling rules for regular verbs

• Most verbs: add -ed — work → worked, play → played
• Ends in -e: add -d — like → liked, live → lived
• Consonant + y: change to -ied — study → studied, carry → carried (but vowel + y stays: play → played)
• Short verb ending vowel + consonant: double it — stop → stopped, plan → planned (the conjugator above applies this automatically)

The -ed pronunciation secret

The ending has three sounds, and most learners never learn which to use:

Sound	When	Examples
/ɪd/ — extra syllable	after verbs ending in /t/ or /d/	waɪted, needed, decided, started
/t/	after voiceless sounds (/p/ /k/ /f/ /s/ /ʃ/ /tʃ/)	worked, stopped, laughed, kissed, watched
/d/	after all voiced sounds	played, cleaned, loved, lived, called

Only /ɪd/ adds a syllable. Saying “play-ED” marks a learner instantly — it is simply “playd”. Use the 🔊 button in the conjugator to hear the difference.

Irregular verbs: the real work

About 200 verbs break the -ed rule — go→went, see→saw, buy→bought, take→took. There is no shortcut, but they are not random: most follow patterns (sing–sang–sung, keep–kept–kept). Our interactive irregular verbs list groups them by change pattern with audio — learn the ABB group first; it is half the battle.

Common mistakes

Wrong	Right	Why
“I didn’t went”	I didn’t go	After did, always base form
“She was borned in 1990”	She was born	Born never takes -ed; use was/were born
“We eated pizza”	We ate	Irregular: eat–ate–eaten
“I have seen him yesterday”	I saw him yesterday	Finished time → past simple
“He teached me”	He taught me	teach–taught–taught
“They winned the game”	They won	win–won–won

Practice: 10-question quiz

Printable worksheet — past simple drill

Write the correct past simple form. Answers at the bottom.

1. She ___ (arrive) at the office at nine.
2. They ___ (not/understand) the question.
3. ___ you ___ (enjoy) the concert?
4. He ___ (study) medicine in London.
5. We ___ (see) a strange bird in the garden.
6. I ___ (not/finish) my homework yesterday.
7. The baby ___ (stop) crying when she picked him up.
8. ___ they ___ (win) the match last Saturday?
9. He ___ (teach) us a useful expression.
10. She ___ (was born / borned) in 2001.

Answer key

1. arrived · 2. didn’t understand · 3. Did / enjoy · 4. studied · 5. saw · 6. didn’t finish · 7. stopped · 8. Did / win · 9. taught · 10. was born

Classroom idea — “Yesterday’s chain” (10 min)

Students stand in a circle. Student A says a past simple sentence: “Yesterday I woke up early.” Student B repeats it and adds one: “Yesterday I woke up early and missed the bus.” The chain grows until someone breaks it — they describe the whole chain from memory. Forces real production of both regular and irregular forms under pressure.

Key takeaways

• Past simple = finished time — yesterday, ago, in 2019, when-clauses.
• Negative/question always use did(n’t) + base form.
• -ed has three pronunciations: /ɪd/ after t/d, /t/ after voiceless sounds, /d/ elsewhere.
• Irregular verbs are learned by pattern, not alphabet — see the full list.

What to read next

• Present perfect vs past simple — finished time vs up-to-now, the contrast that defines B1.
• All 12 English tenses — see where the past simple sits in the full system.
• 120+ irregular verbs — searchable, audible, grouped by pattern.
• Common English mistakes — the past-tense errors everyone makes.

Sources: Cambridge Dictionary Grammar — past simple, British Council LearnEnglish — past tense.