Fluency, thought and real-time speaking
Why Do I Lose My Train of Thought When I Speak English?
You knew what you wanted to say before you started. Then, halfway through the sentence, the words became difficult and somehow the thought itself disappeared.
You start speaking with a perfectly clear idea in your head.
You know the point you want to make. You know roughly where the explanation is going.
Then you cannot find a word.
You change the sentence.
You notice the grammar is not quite right and try to repair it.
You start again.
And suddenly:
“Sorry. I’ve completely forgotten what I was going to say.”
It feels like a vocabulary problem, a memory problem or simply evidence that your English is not fluent enough.
But something more interesting may be happening.
Speaking requires you not only to produce the sentence you are saying now, but also to maintain the larger message that sentence is supposed to be taking somewhere.
This article is informed by research on
Speaking is more than retrieving words
Research on speech production and second-language fluency distinguishes between developing the message you want to communicate and formulating that message into language. Studies also suggest that conceptualising, formulation, planning, monitoring and repair can place different demands on speakers during real-time production.
Conceptualisation
Language formulation
Self-monitoring and repair
Planning and working memory
First, identify the problem
Did you lose the word, the sentence or the thought?
We often describe all three experiences in the same way:
“I got stuck.”
But they are not the same speaking problem.
Distinguishing them matters because what needs to become easier may be completely different.
Three different breakdowns
What disappeared?
You lost the word
“We need to change the… the…”
You still know exactly what you mean. The communicative intention survives, but a word you need is not becoming available quickly enough.
You lost the sentence
“What I was trying to say is that if we had… because when they… sorry…”
You still know the larger point, but the linguistic route you were using to reach it has broken down.
You lost the thought
“Sorry, I’ve completely forgotten what I was going to say.”
This time the problem is not simply finding the English. You have lost access to the larger communicative destination.
What happens during speaking?
You have to develop the message while turning it into language
Before you can say something, there has to be something you intend to communicate.
Researchers studying speech production distinguish broadly between processes involved in developing or organising the intended message and processes involved in formulating that message linguistically.
In real conversation, however, you cannot normally finish all the thinking first and then calmly translate the completed message into speech.
The message continues to develop while you are speaking.
That means you may simultaneously be:
- deciding what comes next
- finding appropriate words
- building grammatical structures
- pronouncing what you have already formulated
- monitoring what you hear yourself saying
- watching the listener’s response
- maintaining the larger point you are trying to make
The experience we call “losing my train of thought” can emerge somewhere inside that coordination.
Conceptualisation and formulation
Not every hesitation is a vocabulary problem
Research comparing spontaneous speaking tasks has found that demands associated with conceptualising what to say and demands associated with formulating the language can show up differently in fluency. Conceptualising demands have been associated with filled pauses, while formulation demands have been associated with features such as articulation rate and mid-clause pausing.
What comes next?
Where is this explanation going?
How do I build this sentence?
How do I express this accurately?
A useful correction
Sometimes you cannot find the English. Sometimes you have not yet found the thought.
A pause does not tell us automatically what went wrong.
You might be searching for a word.
You might be constructing a difficult grammatical structure.
Or you might still be deciding exactly what you want to say next.
These experiences can sound similar from the outside while involving different problems for the speaker.
When the route changes
Abandoning a sentence can create a second problem
Imagine you begin with a clear destination.
Halfway through, you realise the sentence you chose is not working.
So you abandon it.
Now you have several jobs:
- remember the original point
- stop the current formulation
- find another route
- formulate that route in English
- continue speaking
Experimental research has found that abandoning and especially regenerating a speech plan can produce disfluency. In one study, solving conceptual difficulties after abandoning a plan took longer in L2 English than in participants’ first language under the relevant condition.
So the difficulty may not be that the original thought was weak.
The thought can become harder to maintain while you are trying to rebuild the route towards it.
Watch the route disappear
A familiar speaking breakdown
The destination is clear
You want to explain that the project is late because the client changed the specification twice, but Friday is still possible if they approve the new design today.
The sentence becomes difficult
“Basically, the main reason why we’re experiencing this delay is because the client has… had… they changed…”
The speaker starts rebuilding
“Sorry, what I mean is… because originally… actually, let me start again…”
And then?
The speaker repairs the sentence and loses the destination
The original message may have been perfectly clear:
delay → client changes → Friday still possible → approval needed today
But attention became absorbed by the sentence used to express the first part of that message.
By the time the speaker has tried to repair and reconstruct it, the larger route has become difficult to recover.
Monitoring and repair
Correcting yourself is useful, but speaking also has to keep moving forwards
Speakers monitor their own language.
You may notice that you have used the wrong word, chosen the wrong tense, expressed something unclearly or said something that could be misunderstood.
Repairing those problems is a normal part of speaking.
The difficulty arises when attention repeatedly moves backwards towards language you have already produced while you are also trying to preserve the part of the message you have not produced yet.
Research into L2 self-repair suggests that changing what speakers attend to can influence the kinds of repairs they make. It does not support the simple conclusion that monitoring is bad or that learners should stop correcting themselves.
The more useful question is:
Which problems are worth repairing now, and which can I leave behind so that the message keeps moving?
But should you stop correcting yourself?
No. Repair is not simply evidence of poor speaking.
Fluent speakers repair their speech too.
They reformulate ideas, replace imprecise words, clarify meaning and sometimes abandon one route in favour of another.
A recent meta-analysis of 71 studies found that repair had a much weaker relationship with second-language proficiency than some other dimensions of fluency, and that the relationship varied according to methodological and task-related factors.
So the objective is not:
Never repair.
A better objective is:
Know what is worth repairing without sacrificing the message.
What about working memory?
It matters, but it does not explain everything
It is tempting to explain the whole experience by saying that speaking English “overloads your working memory”.
The research does not justify such a simple universal explanation.
Studies have found relationships between aspects of working memory and some features of L2 speaking performance. But those relationships are not identical across every aspect of fluency, monitoring and repair.
One study, for example, found an association between executive working memory and pausing among lower-intermediate speakers, but no reliable relationship between working memory and the frequency or type of self-repair.
Working memory can therefore be part of the picture without becoming the answer to every speaking breakdown.
What may actually be happening?
Seven different places where your train of thought can break down
You still know the thought, but a word you need to express it does not become available quickly enough.
The larger idea survives, but constructing the current sentence requires so much attention that progress slows or breaks down.
You begin speaking before the next part of the message is sufficiently developed, so the language reaches the edge of the thought.
Your attention repeatedly returns to the English you have already produced instead of remaining available for what needs to come next.
You abandon one way of expressing the idea and struggle to construct another without losing the original destination.
Individual sentences are manageable, but keeping several parts of a longer explanation connected becomes more difficult.
When something goes wrong, you try to reconstruct the original sentence instead of preserving the central idea and continuing by another route.
Why longer answers feel different
A longer turn creates a message-maintenance problem
A short answer can be relatively contained:
- “Yes, I agree.”
- “I went there last year.”
- “I prefer working from home.”
Now imagine answering:
“Why do you think working from home has changed the way teams communicate?”
You may need to maintain something closer to:
position → explanation → qualification → example → conclusion
The longer you speak, the more you have to maintain not only the current sentence but also the relationship between that sentence and the larger point.
This is one reason somebody may appear perfectly fluent in short exchanges but become much less fluent when asked to explain, narrate, argue or develop an idea.
Planning can help
Not because you need to script the answer
Research syntheses and meta-analyses suggest that planning can affect L2 oral production and can produce benefits for fluency. The useful lesson is not that every sentence should be prepared before you speak. Real conversation rarely gives you that possibility.
A few key points
A basic sequence
More flexibility
More routes to the same meaning
The useful principle
Your sentence can change without your point changing
Instead of trying to remember:
“The main reason why the project has experienced a delay is…”
hold:
delay → client changes → Friday possible → approval today
Now, if one sentence fails, you have not lost the message.
You can simply take another route towards the next point.
What can you practise?
Train yourself to preserve meaning when language changes
Destination-first speaking
Choose three points such as problem → reason → solution. Speak for 45 seconds. You can change every sentence, but you must reach all three destinations.
Abandon the sentence
When a sentence becomes difficult, do not restart it from the beginning. Use a new route: “What I mean is…” or formulate the idea differently.
Use one-word anchors
Before a longer answer, write three words such as cost → delay → alternative. Keep the conceptual structure without scripting the sentences.
Look at your repairs
Which corrections actually protected the message?
Meaning repair
Did you correct something because the listener might otherwise have understood the wrong idea?
Useful language repair
Did you quickly correct an important language problem and then continue without losing the larger message?
Expensive repair
Did you interrupt your entire explanation to correct something minor that probably had little effect on understanding?
The one-minute answer
Why do you lose your train of thought when you speak English?
Because spontaneous speaking requires you to maintain a developing message while simultaneously turning that message into language, producing it and monitoring what you say.
Sometimes the problem is lexical: the word does not arrive.
Sometimes the thought survives but the sentence breaks down.
And sometimes the work of reformulating, monitoring or changing direction makes the larger communicative destination harder to maintain.
Working memory may contribute to some of these difficulties, but it does not provide a complete explanation.
The most useful first question is not simply “Why did I get stuck?” It is “What did I actually lose?”
Related Knowledge Centre guides
Explore what happens between thought and speech
Why Do I Sometimes Know What I Mean Only After I Start Talking?
Explore why speaking can sometimes help a thought become clearer rather than simply expressing an idea that was already complete.
Why Do I Ramble When I Actually Know What I Mean?
Look at what happens when the idea is there but the route towards expressing it becomes longer and less controlled than you intended.
Why Do I Forget English Words I Already Know?
Explore the difference between knowing a word and being able to retrieve it quickly enough during spontaneous speech.
Look at what happens when the thought becomes speech
Where does your speaking actually break down?
A Speaking Check can help distinguish between problems of language knowledge, retrieval, formulation, fluency and maintaining a message across a longer spontaneous contribution.
A Speaking Check can explore:
- whether words are available when you need them
- what happens when a sentence becomes difficult
- how much monitoring interrupts your message
- how you recover when your original formulation fails
- how effectively you maintain longer explanations
It is not a lesson and it is not an exam.
The Art of Speaking perspective
Fluency is not about keeping every sentence intact
Real speaking is rarely perfect.
Words disappear.
Sentences become awkward.
Ideas change while we are expressing them.
We realise halfway through that the route we chose is not working.
The answer is not necessarily to eliminate every hesitation, prevent every repair or construct every sentence correctly before allowing yourself to continue.
A more useful ability is to preserve the communicative destination while allowing the linguistic route to change.
Fluent speaking is not the ability to keep every sentence intact. It is the ability to keep the meaning moving when the sentence does not go to plan.
Is this what happens to you?
You start with a clear idea, but somewhere between the thought and the sentence you lose where you were going.
The difficulty may not simply be vocabulary or grammar. Looking at your spontaneous speaking can help identify whether the problem appears in retrieval, formulation, monitoring, recovery or maintaining a longer message.
- Fluency
- Word retrieval
- Message organisation
- Self-repair
- Real-time availability
Explore what happens between knowing what you mean and being able to keep that meaning moving in speech.
