Practice
Omission and ellipsis in conversation
Sign in to saveA colleague asks, "Are you coming to the meeting?" You can answer, "I might." The listener understands I might come to the meeting, even though you do not repeat the whole phrase.
Recognize and use clear omissions in conversation when the missing words are easy to recover from context.
Read and practice
Read the examples and try the written questions in this guide. Listening recordings are not available for this lesson yet.
Try the written questions
I did not want to stay late, but I had to. /aɪ dɪd nɒt wɒnt tə steɪ leɪt bət aɪ hæd tuː/
The short answer
Leave out words only when the context makes the missing part clear. In a reply, an auxiliary verb, a short phrase, or a shared noun can often carry the meaning without repetition.
A: Did Mei finish the report? B: I think so.
Why it works: So stands for the understood idea that Mei finished the report. The context supplies the missing words.
6 more examples
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A: Are you joining us for lunch? B: I hope so.
So replaces the understood clause that the speaker will join the group for lunch.
Not this:I hope
that I can join you for lunch. What changes: This fuller reply says the same idea, but repeats information that the question has already introduced. -
A: Did the parcel arrive? B: It has not yet.
The auxiliary has carries the present perfect form. Arrived is understood from the question.
Not this:The parcel
has not arrived yet. What changes: The full sentence is also correct, but it repeats the subject and main verb. -
Nadia chose the window seat, and I chose the aisle.
Seat is omitted after aisle because the first part has already named the shared noun.
Not this:Nadia chose the window seat, and I chose
the aisle seat. What changes: Repeating seat is possible, but the shorter version is natural when the contrast is already clear. -
I did not want to stay late, but I had to.
The phrase stay late is omitted after to because it has already appeared in the first clause.
Not this:I did not want to stay late, but I
had to stay late. What changes: The repeated infinitive phrase is grammatical, but conversation usually drops it. -
Kai can present on Monday, and Priya can on Tuesday.
Present is omitted in the second clause. The different days make the contrast easy to follow.
Not this:Kai can present on Monday, and Priya
can present on Tuesday. What changes: The full version repeats present, while the shorter version keeps the focus on who presents and when. -
A: I do not eat seafood. B: Neither do I.
Neither do I means that the second speaker also does not eat seafood.
Not this:I
do not eat seafood either. What changes: This is a full negative statement with the same meaning as the shorter agreement reply.
Read the full guide
First, identify the words both speakers already share. Then check that your shorter reply still answers the question clearly. English often omits repeated verbs, infinitives, nouns, and whole clauses after words such as so, not, too, and either. Keep the words that show time, polarity, or contrast when the listener needs them.
Leave out what the context supplies
Use ellipsis when both speakers already know the missing words. The shorter form should still give a complete answer in context. Do not remove words simply to make a sentence shorter.
A: Will the shop be open tomorrow? B: I think so.
So stands for the idea that the shop will be open tomorrow. The question makes that idea clear.
What does so replace in this reply?
It replaces the clause from the question: that the shop will be open tomorrow.
Keep the auxiliary in a short reply
After a question with an auxiliary verb, repeat the auxiliary when it shows the tense or form of the answer. You do not need to repeat the main verb when it is already understood.
A: Has the technician called? B: She has.
Has keeps the present perfect form. Called is understood from the question.
A: Will they arrive before noon? B: They will.
Will keeps the future meaning while arrive before noon is omitted.
Which word should stay in the reply to Has the technician called: She ___?
Use has: She has. The auxiliary carries the form of the answer.
Omit a repeated noun in a contrast
When two phrases share the same noun, English can leave the noun out of the second phrase. This works best when the contrasting words make the missing noun obvious.
We need the blue folder, not the red.
Folder is omitted after red because blue folder has already named the object.
Sam took the early train, and Noor took the late.
Train is understood in the second phrase. The contrast between early and late is clear.
Which noun is omitted after red in the first example?
The omitted noun is folder.
Do not repeat an understood infinitive
After to, a speaker can omit a repeated verb phrase. Keep to because it signals the infinitive, then let the earlier clause supply the missing action.
I did not plan to travel, but I needed to.
Travel is omitted after the second to. The first clause already gives the action.
Marta offered to help, and Ben agreed to as well.
Help is understood after agreed to. The second speaker agrees to do the same action.
What action is understood after needed to in the first example?
The missing action is travel.
Use so, not, too, and either with care
Short agreement forms can replace a whole repeated clause. Use so for a positive idea after verbs such as think or hope. Use not for a negative idea, and use too or either when you add the same positive or negative information.
A: Do you think the road is clear? B: I hope so.
So refers to the positive idea that the road is clear.
A: Is the road closed? B: I hope not.
Not refers to the negative idea that the road is closed.
Which short word completes I hope ___ when you want the road to remain open?
Use so: I hope so. It refers to the positive statement that the road is clear or open.
Add words when the meaning is unclear
A shortened form works only when the listener can recover one clear meaning. If the conversation contains several possible actions, repeat enough words to identify the right one.
A: Are you going to call the client or send an email? B: I am going to send an email.
A reply such as I am could be unclear because the question offers two different actions.
A: Did you send the invoice? B: I did.
This short reply is clear because the question gives one specific action.
When should you avoid a very short reply?
Avoid it when the listener could connect it to more than one action or meaning.
Before you go
Remember this
Use omission to avoid repeating words that the listener can recover easily. Keep the auxiliary, negative word, contrast, or time expression that carries the important meaning. If a short reply could refer to several different ideas, say more rather than making the listener guess.
Practice with the written examples
You can practice with the written questions in the Learn tab. Each answer includes an explanation.
Try the written questionsListening test not available yet
This lesson does not have the recordings needed for a listening test. Use the written questions in the guide to check your understanding.
Try the written questionsQuestions about "Omission and ellipsis in conversation"
What does ellipsis mean in English grammar?
Ellipsis means leaving out words that the listener or reader can understand from the context. In a reply such as I hope so, so replaces the idea already named in the question. The missing words are understood, not forgotten.
A: Are you joining us for lunch? B: I hope so.
Why do English speakers leave out words in conversation?
Speakers often omit repeated information because the other person already knows it from the conversation. This can make a reply shorter and more natural. The omission works only when the listener can recover the missing words easily.
I hope that I can join you for lunch.
Can I omit the main verb after an auxiliary?
Often, yes. After a clear question, the auxiliary can remain while the main verb is understood. For example, after Has the technician called?, She has is a complete reply because called is already clear from the question.
A: Did the parcel arrive? B: It has not yet.
When can I leave out a repeated noun?
You can often omit a noun in the second of two contrasting phrases when the first phrase has already named it. In the blue folder, not the red, folder is understood after red. Keep the noun if the shortened phrase could cause confusion.
The parcel has not arrived yet.
When should I avoid ellipsis?
Avoid ellipsis when the context offers more than one possible meaning. If someone asks whether you will call or email, a reply such as I will does not identify the action. Give enough of the phrase to make your meaning clear.
Nadia chose the window seat, and I chose the aisle.