Present Perfect vs. Simple Past: How to Choose the Right Tense
Learn the difference between the present perfect and simple past through clear rules, side-by-side examples, common mistakes, and a short practice check.
Read lesson →Grammar · A1–C2
English Grammar
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English Conditionals: Zero, First, Second, and Third Conditional
Conditional sentences connect a condition with its result and can describe facts, real possibilities, hypothetical situations, or unreal past events. This lesson focuses on…
Read lesson →Conditional Sentences Practice: Choose the Right If-Clause
Knowing the rule is useful, but improvement comes from noticing the errors you make repeatedly. This lesson uses common mistakes to help you build…
Read lesson →Browse Grammar Topics
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Tenses
Learn how English verb tenses express time, sequence, habits, completed actions, and ongoing situations.
Sentence Structure
Learn how English sentences are formed and how word order affects meaning and accuracy.
Subject-Verb Agreement
Learn how subjects and verbs agree in number and person in standard English.
Articles and Determiners
Learn how to use a, an, the, demonstratives, quantifiers, and other determiners accurately.
Prepositions
Learn common English prepositions for time, place, direction, movement, and relationships.
Adjectives and Adverbs
Learn how adjectives and adverbs describe nouns, verbs, actions, and degrees of meaning.
Modals
Learn how modal verbs express ability, possibility, permission, advice, necessity, and obligation.
Conditionals
Learn how English conditional forms describe real, possible, hypothetical, and past situations.
Nouns and Countability
Learn countable and uncountable nouns, singular and plural forms, quantity expressions, and common noun patterns.
Pronouns and Possessives
Learn personal, object, possessive, reflexive, indefinite, and other common pronoun patterns.
Questions and Auxiliary Verbs
Learn how to form direct and indirect questions and use auxiliary verbs accurately.
Gerunds and Infinitives
Learn verb patterns with gerunds, infinitives, objects, prepositions, and changes in meaning.
Passive Voice
Learn how and why English uses passive forms across different tenses and contexts.
Reported Speech
Learn how to report statements, questions, requests, commands, and changes in tense and reference.
Relative Clauses
Learn defining and non-defining relative clauses and how relative pronouns connect information.
Noun Clauses
Learn clauses that function as nouns after verbs, question words, whether or if, and that.
Linking Words and Complex Sentences
Learn how conjunctions, transitions, and subordinate clauses connect ideas clearly and logically.
Advanced Word Order, Emphasis and Inversion
Learn advanced English word order, inversion, fronting, cleft structures, and emphasis.
Practice Grammar
Use focused quizzes to practice one topic at a time and review explanations for every answer.
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Build balanced English skills by combining lessons across the six learning areas.