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Turn your grammar notes into a hard grammar quiz in minutes

Upload a PDF, slide deck or photos of your notes. DeckOwl writes multiple-choice, true/false or open questions that test the tricky rules, with an explanation for every answer.

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Why a hard grammar quiz beats rereading the rules

Rereading a grammar handbook feels productive, but a hard grammar quiz forces you to choose the rule yourself, and that is where most errors show up.

Multiple-choice options that differ by one rule, so you have to reason rather than guess
True/false statements that test common misconceptions, such as the myth that a comma always fixes a run-on
Open questions that ask you to rewrite a sentence and justify the change
Explanations you can reread after each attempt to close the gaps in your understanding

Example hard grammar quiz questions on agreement and case

Which is correct: 'Neither the manager nor the employees were ready' or 'Neither the manager nor the employees was ready'?'Were' is correct, because with 'neither...nor' the verb agrees with the nearer subject, which is the plural 'employees'.

Choose the correct form: 'If I ___ you, I would apologize.' (was / were)'Were' is correct, because hypothetical conditions use the subjunctive mood, which takes 'were' for all persons.

Which sentence contains a dangling modifier: 'Walking to school, the rain soaked me' or 'Walking to school, I got soaked'?The first sentence, because 'walking' appears to modify 'the rain' rather than the person who was walking.

Choose the correct word: 'The committee has reached ___ decision.' (its / their)'Its' is correct in American usage, because 'committee' is a collective noun treated as singular.

Which is correct: 'Between you and I' or 'Between you and me'?'Between you and me' is correct, because 'between' is a preposition, so its object takes the objective pronoun 'me'.

Generate the full set

Questions aimed at the hard rules

Generated items target the rules students miss most, such as agreement with distant subjects, subjunctive mood and pronoun case.

An explanation for every answer

Each question comes with a short explanation of why the correct option works and why the distractors fail.

Built from your own material

Your course notes, slides or textbook pages are the source, so the quiz matches what your instructor actually teaches.

How it works

Upload your material

Add a PDF, DOCX, PPTX, plain text file or a photo of a page. Text recognition reads images too.

Choose the question types

Pick multiple-choice, true/false or open questions, then generate the quiz.

Attempt, then check the reasoning

Answer each question before reading the explanation, and study the rules you missed.

Hard items work best when they mirror real writing decisions, like picking between who and whom or spotting a misplaced modifier in a long sentence. DeckOwl builds those kinds of questions from the examples in your own notes, so you practice the exact patterns your course uses.

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Frequently asked questions

Which grammar rules cause the most mistakes on hard quizzes?

Agreement with distant or compound subjects, subjunctive mood, pronoun case after prepositions and dangling modifiers are common traps. Most hard items focus on one of these patterns.

How should I study the grammar rules I keep getting wrong?

Attempt each question before reading the explanation, then write one original sentence that uses each rule you missed. Retest those items a few days later to check whether the rule has stuck.

Can I export a grammar quiz to PDF or DOCX?

Exports to PDF and DOCX are paid features on the Plus plan, and the free plan lets you study quizzes in the browser. Pro adds QTI 2.1 and Moodle XML export for learning management systems.

Is there a free plan for generating grammar quizzes?

Yes, the free plan includes 3 generations per month and no credit card is needed to start. Students get 40% off with a school email.

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