The Grammar Lab

Grammar Lab

The Blueprint of English. Structure, Logic, and Rules.

Grammar Quiz

Test your knowledge of tenses and rules with instant feedback.

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Sentence Scrambler

Drag and drop words to build perfect sentences.

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Fill in the Blanks

Complete the sentences with the correct verb forms.

Practice

Error Finder

Can you spot the mistake? Debug the English sentences.

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The Foundation (A1-A2)

Essential structures. Nouns, Verbs, and Simple Tenses.

01 Singular & Plural Nouns Core 02 Subject Pronouns (I, You, He, She) Core 03 Possessive Adjectives (My, Your) Core 04 Articles: A, An, The Core 05 Countable vs. Uncountable Drill

06 Present Simple: To Be Core 07 Present Simple: Action Verbs Core 08 Present Continuous (-ing) Core 09 Simple vs. Continuous Drill

10 Adjectives & Word Order Core 11 Prepositions of Place (In, On, At) Core 12 Forming Questions (Do/Does) Drill

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Construction Zone (B1-B2)

Building complexity. Past, Future, and Conditionals.

13 Past Simple (Regular/Irregular) Core 14 Past Continuous (While/When) Core 15 Present Perfect Simple Core 16 Future: Will vs. Going To Drill

17 Modals of Ability & Obligation Core 18 Zero & First Conditional Core 19 Second Conditional (Hypothetical) Drill

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Architecture (C1-C2)

Advanced design. Nuance, Style, and Flow.

20 Passive Voice (All Tenses) Adv 21 Reported Speech (Backshifting) Adv 22 Defining vs. Non-Defining Clauses Adv 23 Third & Mixed Conditionals Adv 24 Inversion for Emphasis Adv