← Grammar Hub
C2On my own or with a tutor

Only to Discover…: Infinitives of Unexpected Result

By the end: I can distinguish an intended purpose from an actual unexpected result in a narrative.

Created by , British English teacher.

I’m studying:

Try the activities, then check your answers.

Choose a short recording.

An unexpected outcome

A narrative can use only to + verb for a subsequent outcome that frustrates or surprises. In these accounts, it reports the outcome rather than the actor’s original aim.

She returned to the shop, only to discover it was closed.

He opened the box, only to find it empty.

The woman approaches an isolated station parcel counter carrying a collection slip and an empty handbag, purposeful and hopeful. The station attendant and a small parcel shelf support her intended collection, but the parcel remains uncollected.
She went to the station to collect the parcel.The purpose alone does not confirm collection.

An intended purpose

A purpose infinitive explains why someone acts. It does not by itself establish success. Compare the intended discovery with the discovery actually reported.

She returned to buy the book.

She returned, only to find the book had been sold.

Check what only restricts

Only can also limit a purpose. Do not classify every only to by the two words alone. Paraphrase the whole relationship to make it clear.

I came only to help, not to argue.

I came to help, only to find the work already finished.

The same woman reaches a closed station parcel shutter with a visible lock, collection slip still in her hand and bag still empty. Her natural disappointment and raised brows show an unexpected frustrating discovery. Keep only the shutter, lock and small relevant parcel shelf on white.
She went to the station, only to discover it was closed.This narrative use reports a subsequent frustrating result.

Guided practice

Say or write your answer first. Compare form and meaning with the model.

1. Identify the relation: She opened the email, only to discover the date had changed.

Compare a model and explanation

A reported unexpected result.

The discovery is not presented as the original purpose.

2. Identify the relation: She opened the email to check the date.

Compare a model and explanation

Purpose.

This does not by itself report what she found.

3. Explain I came only to help, not to complain.

Compare a model and explanation

The speaker restricts the purpose to helping.

Only to is not automatically a result construction.

4. Rewrite as two finite clauses: He returned, only to find the room empty.

Compare a model and explanation

He returned and then found, unexpectedly, that the room was empty.

The result is retained as an event in the narrative.

5. Does She went to buy it prove she bought it?

Compare a model and explanation

No.

The infinitive gives intention or purpose, not guaranteed success.

6. Source: She went to collect a parcel and found the desk closed. Combine purpose and result.

Compare a model and explanation

She went to collect a parcel, only to find the desk closed.

Both the intended aim and actual finding are supplied.

7. Repair: Source says came only to help, not to argue. Summary says he unexpectedly discovered help.

Compare a model and explanation

He came solely for the purpose of helping, not arguing.

The original restricts motive; it does not report that discovery.

8. Can word position and the surrounding contrast help distinguish the two uses?

Compare a model and explanation

Yes, though the whole context remains important.

Do not rely on the word pair alone.

A short conversation

Listen first, then open the transcript when useful.

Open the conversation transcript

A: Why did she return to the studio?

B: She came back to collect her work, only to find the door locked.

A: So collecting it was the aim, and finding the locked door was the result?

B: Exactly. The sentence doesn’t say she managed to collect anything.

Listening checks

Listen to each extract or open its transcript. These three questions have a separate score.

1. What happened in the narrative?
Read the listening transcript

I travelled back to collect the book, only to discover it had already been sent elsewhere.

2. What does only restrict?
Read the listening transcript

I came only to help, not to argue. Whether the help was useful is not recorded.

3. Are missing pages presented as an intended goal?
Read the listening transcript

She opened the folder, only to find three pages missing.

Mastery quiz

Choose the best answer for each situation. The score is out of eight.

1. In She returned, only to find it closed, only to most naturally introduces what?
2. In I came only to help, not to argue, only to introduces what?
3. Does a purpose infinitive guarantee success?
4. Choose the sentence combining purpose and unexpected result.
5. What should a rewrite of a narrative result retain?
6. The room was empty when she returned. Who emptied it?
7. Which is a faithful purpose-only paraphrase of I came only to help?
8. Should every occurrence of only to be classified identically?

Use it in your own words

Speaking 1

Tell a two-sentence story with a purpose and an unexpected result.

Reveal a possible response

I went back to collect the painting. I opened the cupboard, only to find it empty.

Success check: Keep aim and actual finding distinct.

Speaking 2

Use only to once for restricted purpose and once for result.

Reveal a possible response

I came only to help, not to criticise. I came to help, only to find everything already finished.

Success check: Explain the difference rather than treating both as the same pattern.

Put it all together

A fictional account says Lea returned to collect her notes, found the office locked, and left without them. Retell it compactly, then identify what she intended, discovered and failed to obtain.

Reveal a possible response

Lea returned to collect her notes, only to find the office locked, and left without them. Collecting the notes was her aim; the locked office was her finding; the final clause confirms she did not obtain the notes.

Success check: Preserve all supplied outcomes without inventing who locked the office.

Take it with you

I can distinguish an intended purpose from an actual unexpected result in a narrative.