The test is whether you needed the source in view
Could you have produced that sentence with the source closed? If you needed it open to get the word order, what you have written is the source's sentence wearing different clothes.
That test is more reliable than any tool, because it identifies the cause rather than the symptom. A patchwritten sentence may not match anything textually while still failing to be your own account of what the source said.
The remedy is a change of method
Read the passage. Close it. Write what it said in your own construction, from memory, in the shape your own argument needs. Then reopen the source and check you have it right, and add the citation.
This feels slower and is faster, because synonym-hunting against an open source is laborious and produces something you will have to fix later. Writing from a closed source produces a sentence that already belongs in your paragraph.
Citation does not repair structure
A patchwritten sentence with a citation attached is still patchwriting. The citation handles attribution of the idea; it does not license reproducing the expression. This is the part students find genuinely surprising, because they have done the thing they were told to do.
Where the original phrasing is what matters — a definition, a distinctive formulation, a line you want to argue with — quote it and cite it. That is what quotation is for, and using it correctly is never a weakness.
Why the register shift gives it away
A marker reading your work has formed a sense of how you write within a paragraph or two. Patchwritten sentences carry the source's rhythm and vocabulary, so they read as a different voice arriving and leaving.
In a discussion board, where the same instructor and classmates read you every week, that shift is even more visible. It is one of the few writing faults that gets easier to spot the more of your work somebody has seen.
Working from notes, in practice
Take notes in your own words as you read rather than highlighting, because highlighting preserves the source's phrasing and guarantees you will be looking at it when you write. Notes in your own construction are already halfway to being a paragraph.
It also makes the reading itself more useful. Restating a passage in your own terms is a comprehension test you apply to yourself as you go, and the places where you cannot do it are precisely the places you had not really understood.
What the habit gives you back
Writing from notes is slower for the first paragraph and faster for everything after it, because you stop switching between reading and composing every few sentences. The prose also holds together better, since each sentence was written for the paragraph it is in.
It has a second benefit that matters more later. Notes in your own words are a record of what you understood at the time, which is exactly what you need when a draft written months ago has to be defended or revised.
None of this requires more reading. It requires reading once, properly, and writing down what you took from it before moving on, which is what most people believe they are already doing.
Questions this raises.
Is patchwriting plagiarism?
Institutions differ and many treat it as a distinct category — poor scholarly practice rather than deliberate misconduct. That distinction may not help you much in the moment, and the remedy is the same either way: quote what you want to keep and rewrite the rest from notes rather than from the open source.
How much do I have to change for it to be a paraphrase?
This is the wrong question and it is the one that produces patchwriting, because it frames the task as editing the source rather than writing your own sentence. The right question is whether you could write it without the source in front of you. If yes, it is a paraphrase regardless of how much resembles the original.
Do I still cite a genuine paraphrase?
Always, without exception. Citation attributes the idea, and the idea remains theirs no matter how thoroughly you have reworded it. The common misunderstanding runs in the opposite direction, with students believing that changing enough of the wording removes the obligation to cite at all, which is precisely backwards and creates a more serious problem than the one it solves.
Can I paraphrase very closely for a definition?
Quote it instead. Definitions are exactly what quotation exists for, because the precise wording is the point and altering it alters the definition. A short quoted definition with a citation is correct, unremarkable and considerably safer than a near-paraphrase of a form of words somebody chose with care.
How do I paraphrase something highly technical?
Slowly, and with the definition quoted where precision matters. Technical passages are where patchwriting is most tempting because the vocabulary feels fixed, and much of it genuinely is. Quote the terms that cannot change, then explain the relationship between them in your own construction, which is the part that demonstrates you understood it.
Clara Fairbairn
MA, Writing, on the essays and feedback side of the hall. Writes for The Footnote and coaches the students who bring this work to the desk. The rest of the specialists.
Elsewhere in the hall.
Send the assignment and the deadline.
A specialist credentialed in your own field reads what you actually have and replies within two hours with a plan and a price. The reading costs nothing, and if the honest answer is that we are not the right hall for it, you will get that instead.
