Participles - a non-finite verb form



A participle is a non-finite form of a verb that can function as part of a verb phrase or can modify a noun/pronoun.

The three forms you should know are:

  1. Present participle → V-ing
  2. Past participle → V3
  3. Perfect participle → having + V3

Important: A participle is still derived from a verb, but it does not carry tense or subject agreement by itself.


1. What is a Participle?

Take the verb write:

FormExample
V1write
V2wrote
V3written
V-ingwriting

writing and written can function as participles.

For example:

He is writing a letter.

writing = present participle

The letter was written by him.

written = past participle

In both cases, another verb carries the tense:

  • is carries the tense in is writing
  • was carries the tense in was written

That is why the participles themselves are non-finite.


2. Three Types of Participles

A. Present participle

Form:

V-ing

Examples:

  • eating
  • sleeping
  • running
  • studying
  • writing
  • playing

Example:

The boy is sleeping.

sleeping = present participle.


B. Past participle

Form:

V3

Examples:

  • eaten
  • slept
  • written
  • broken
  • gone
  • played
  • studied

Example:

The work has been completed.

completed = past participle.


C. Perfect participle

Form:

having + V3

Examples:

  • having eaten
  • having finished
  • having written
  • having completed
  • having seen

Example:

Having finished his work, he went home.

having finished = perfect participle.


Functions of Participles

1. Present Participle in Continuous Tenses

The present participle is used with forms of be to form continuous verb phrases.

Present continuous

He is studying.

is = finite auxiliary
studying = present participle

Past continuous

He was studying.

was = finite auxiliary
studying = present participle

Future continuous

He will be studying.

will = finite modal auxiliary
be = bare infinitive
studying = present participle

Present perfect continuous

He has been studying.

has = finite auxiliary
been = past participle
studying = present participle

So the -ing form remains the same; the auxiliary verbs change.


2. Past Participle in Perfect Tenses

Past participles are used with have/has/had to form perfect constructions.

Present perfect

He has eaten dinner.

eaten = past participle

Past perfect

He had eaten dinner.

eaten = past participle

Future perfect

He will have eaten dinner.

eaten = past participle.

Notice:

has eaten
had eaten
will have eaten

The word eaten doesn't change.


3. Past Participle in Passive Voice

Past participles are also essential in passive constructions.

The letter was written by John.

The work is completed.

The house was built in 1990.

The problem has been solved.

In:

The problem has been solved.

  • has = finite auxiliary
  • been = past participle of be
  • solved = past participle of solve

4. Participles Can Function as Adjectives

This is one of the most important uses.

A participle can modify a noun.

Present participle

The crying baby needs milk.

crying describes baby.

The sleeping child is my son.

sleeping describes child.

Past participle

The broken window needs repair.

broken describes window.

The written instructions were clear.

written describes instructions.


5. Present Participle vs Gerund

This is probably the most important distinction to understand.

Both can have the form V-ing, but their functions are different.

Gerund = noun function

Swimming is good exercise.

Ask:

What is good exercise?

→ Swimming.

Therefore, swimming is functioning as a noun → gerund.


Present participle = adjective/verb function

The swimming boy is my brother.

swimming describes boy.

Therefore, it is a present participle functioning adjectivally.

And:

The boy is swimming.

Here swimming forms part of the verb phrase is swimming.

Therefore, it is a present participle.

Compare:

Swimming is enjoyable. → Gerund

The boy is swimming. → Present participle

The swimming boy waved at me. → Present participle

The form is identical; the function is different.


6. Participial Phrases

A participle can be accompanied by other words to form a participial phrase.

Present participial phrase

Walking along the road, I saw my friend.

The complete phrase is:

Walking along the road

The main participle is:

walking

Another example:

Looking through the window, she saw a bird.


Past participial phrase

Shocked by the news, he remained silent.

The participle is:

shocked

The complete phrase:

Shocked by the news

describes he.


7. Perfect Participial Phrase

The structure is:

Having + V3

Example:

Having finished his homework, Rahul went outside.

There are two actions:

  1. Rahul finished his homework.
  2. Rahul went outside.

The first action happened before the second.

Therefore:

Having finished his homework = perfect participial phrase.

Another example:

Having eaten dinner, she went to bed.

First → she ate dinner.
Second → she went to bed.


8. Perfect Passive Participle

We can also have:

having been + V3

Example:

Having been informed about the problem, he took action.

Structure:

having + been + informed

Another:

Having been selected for the team, he was very happy.

This construction shows that something had been done to the subject before the main action/state.


9. Participles Used to Reduce Clauses

Participles can make sentences shorter.

Full sentence

When he was walking down the road, he saw a dog.

Reduced form

Walking down the road, he saw a dog.


Another:

Full:

After she had finished her work, she went home.

Reduced:

Having finished her work, she went home.


Another:

Full:

Because he was tired, he went to bed.

Reduced:

Being tired, he went to bed.

This is called a participial clause/construction.


Important: 

Present Participle Doesn't Necessarily Mean Present Time

This is a very common misunderstanding.

The term present participle refers to the form, not necessarily the time.

The boy was sleeping.

sleeping is still a present participle, even though the sentence refers to the past.

Similarly:

The boy will be sleeping.

sleeping is still a present participle.

So:

present participle ≠ present tense

Past Participle Doesn't Necessarily Mean Past Time

Likewise:

The broken window is dangerous.

The sentence is in the present.

But broken is a past participle.

So:

past participle ≠ past tense

The term "past participle" refers to the form, not necessarily the time.


Regular and Irregular Past Participles

Regular verbs generally form their past participle with -ed.

VerbV2V3
playplayedplayed
workworkedworked
finishfinishedfinished
studystudiedstudied

Irregular verbs have different forms.

VerbV2V3
gowentgone
eatateeaten
writewrotewritten
seesawseen
breakbrokebroken
taketooktaken

Examples:

He has gone home.

She has written a letter.

The glass is broken.


15. Participles with “Being”

There is also a being + V3 construction in passive participial phrases.

Example:

Being tired, he went to bed.

Here being is the present participle of be.

In:

Being selected, he was happy.

being selected is a passive participial construction.

Compare:

Having been selected, he was happy.

The second version emphasises that the selection happened before the main situation.


16. Participles and Dangling Modifiers

This is important for advanced grammar.

A participial phrase should normally logically refer to the subject of the main clause.

Correct:

Walking down the road, I saw a dog.

Who was walking?

→ I.

Incorrect:

Walking down the road, the trees looked beautiful. ❌

Grammatically, this seems to say that the trees were walking.

Better:

Walking down the road, I saw some beautiful trees. ✅


Participles vs Finite Verbs

Consider:

He is working.

The complete verb phrase is:

is working

But only is is finite.

Why?

Because we can change:

He is working.
He was working.

The auxiliary changes according to tense.

working does not change.

Therefore:

is = finite verb
working = non-finite participle


The Three Main Non-Finite Forms

Now compare all three:

Infinitive

I want to study.

to study = infinitive

Gerund

Studying is important.

studying = gerund

Participle

The studying student was quiet.

studying = present participle

And:

The work was completed.

completed = past participle.


21. A Very Useful Identification Method

When you see -ing, don't immediately call it a gerund.

Ask:

Question 1:

Is it functioning as a noun?

Reading is useful.

Yes → gerund

Question 2:

Is it part of a verb phrase?

He is reading.

Yes → present participle

Question 3:

Is it describing a noun?

The reading student is my brother.

Yes → present participle functioning adjectivally


Summary

TypeFormExampleCommon function
Present participleV-ingrunningContinuous verb / adjective / participial phrase
Past participleV3brokenPerfect/passive verb / adjective
Perfect participlehaving + V3having finishedShows an earlier action
Perfect passive participlehaving been + V3having been selectedEarlier passive action

Remember these four formulas:

Present participle = V-ing

Past participle = V3

Perfect participle = having + V3

Perfect passive participle = having been + V3

And the most important distinction:

Gerund = V-ing functioning as a noun

Present participle = V-ing functioning as part of a verb phrase or as a modifier

So in:

“Sleeping makes the body calm.”

sleeping is a gerund, because it functions as the subject/noun.

But in:

“The sleeping child looks peaceful.”

sleeping is a present participle, because it modifies child.

And:

“The child is sleeping.”

sleeping is a present participle, because it forms the continuous verb phrase is sleeping.

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