A past participle is a verb form that works in several important structures in English. It appears with have in perfect tenses, with be in passive sentences, and as an adjective in phrases like a broken window or a closed door. Regular verbs and irregular verbs both have past participles, so the form does not always match the simple past. In many sentences, the past participle is the form that connects an event to a later time or shows the result of an action.

Most regular verbs form the past participle by adding -ed to the base form. Work becomes worked, clean becomes cleaned, and play becomes played. The ending stays the same for all persons because the past participle does not change for I, you, he, she, or they. If you already know Regular Verbs, the pattern is familiar: the past participle uses the same spelling as the regular past tense.

Regular past participle forms with ed

Subject	Infinitive	Conjugation	Example
work	work	worked	She has worked here for three years.
paint	paint	painted	They have painted the kitchen blue.
clean	clean	cleaned	I had cleaned the desk before the meeting.
help	help	helped	He has helped us move the sofa.

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Some verbs change spelling before -ed. A final silent e stays in place, so live becomes lived and close becomes closed. In many one-syllable verbs with one vowel sound and one final consonant, the final consonant is doubled before -ed: stop becomes stopped, plan becomes planned, and rob becomes robbed. When a verb ends in consonant + y, the y changes to i: study becomes studied and carry becomes carried. Verbs ending in vowel + y keep the y: play becomes played.

Spelling changes before ed

Example	Pattern
She stopped at the red light.	Double the final consonant after a short vowel in a one syllable verb.
We baked bread this morning.	Keep the final e and add d to verbs that already end in e.
The company tried a new plan.	Change y to i before adding ed after a consonant.

Irregular verbs do not form the past participle with -ed. Some of the most frequent forms are seen from see, gone from go, written from write, chosen from choose, taken from take, and made from make. Other very common forms include been, done, had, said, known, and given. These forms matter early because they appear in everyday perfect tenses and passive sentences. If you need a full review of base forms and past forms, compare them with Irregular Verbs.

Common irregular past participle forms

Subject	Infinitive	Conjugation	Example
see	see	seen	I have seen that film before.
go	go	gone	She has gone to the office.
write	write	written	He has written a long email.
choose	choose	chosen	We have chosen the window seat.
take	take	taken	They have taken the early train.
make	make	made	The chef has made a fresh soup.

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Past participles can describe nouns when they work like adjectives. A broken door is a door in a damaged state, and a closed shop is a shop that is not open. These forms usually describe the result of an action, not the action itself. Many of these adjective uses come from participles that also appear in passive sentences. Some forms are common in everyday descriptions, such as interested, bored, worried, and surprised. Present participles often describe the cause of a feeling, while past participles describe the feeling or result, so it helps to compare them with Present Participles.

Adjective uses of past participles

Usage	Explanation	Example
Physical condition	Use a past participle as an adjective to describe something that has been damaged or changed.	We sat on the broken chair.
Completed state	Use a past participle as an adjective to show that something is finished or no longer open.	The closed shop will reopen tomorrow.
Emotional effect	Use a past participle as an adjective to describe how a person feels after an event.	She looked surprised by the announcement.
Hidden or covered result	Use a past participle as an adjective when something is covered, blocked, or not visible.	The covered table was ready for dinner.

Use have, has, or had + past participle to build perfect tenses. Present perfect uses have or has: I have finished, she has left. Past perfect uses had: they had eaten, the train had arrived. Future perfect uses will have + past participle: we will have finished, she will have completed the form. The auxiliary carries tense, while the past participle gives the main verb meaning. These forms are required for Present Perfect and related perfect structures.

Have forms with past participles

Subject	Infinitive	Conjugation	Example
I	have	have	I have finished the report.
you	have	have	You have already seen the notice.
he	have	has	He has eaten lunch.
she	have	has	She has found her keys.
we	have	have	We have planned the trip carefully.
they	have	have	They have moved to a new flat.
I	have	had	Before noon, I had already called her.
she	have	had	By midnight, she had finished the cake.

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Use be + past participle to form the passive voice. The object of the active sentence becomes the subject of the passive sentence: The chef prepared the meal becomes The meal was prepared. The be verb changes for tense and number: is painted, was painted, will be painted, has been painted. Use by + agent only when the doer of the action matters: The window was broken by a stone. When the agent is unknown, obvious, or unimportant, leave it out. These forms are central to Passive Voice or Active Voice.

Be forms with passive participles

Subject	Infinitive	Conjugation	Example
I	be	am	The letter is written in clear English, but I am sure it will be understood.
you	be	are	You are invited to the dinner.
he	be	is	The window is broken after the storm.
she	be	is	Her name is printed on the badge.
we	be	are	The rooms are cleaned every morning.
they	be	are	The results are checked by the teacher.
I	be	was	The package was delivered yesterday.
she	be	was	The song was played at the party.
we	be	were	The tickets were sold in one hour.
they	be	were	The photos were taken by a friend.

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