One focused step in language learning, every day
Preparing your learning path…One focused step in language learning, every day
Preparing your learning path…Level-based grammar path
Study 18 practical lessons in the recommended order. Every lesson includes a clear explanation, formulas, natural examples, common mistakes, and FAQs.
Calibrate reference time, event perspective and the strength of a claim.
At C1 level, choosing a verb form is not only about locating an event in past, present, or future time. Tense establishes the temporal reference, while aspect shows how the speaker views the event: as complete, ongoing, connected to another time, repeated, temporary, or continuing over a period.
24 bank questions
Start lessonAt C1 level, modal verbs do more than express ability, permission, or obligation. They help speakers control degrees of certainty, possibility, expectation, criticism, distance, and personal judgment. This lesson explains how must, may, might, could, should, will, and would create subtle differences in meaning across present and past contexts.
24 bank questions
Start lessonHedging helps you make claims less absolute, while stance shows your attitude, evaluation, or level of commitment to an idea. At C1 level, the goal is to match the strength of your language to the strength of your evidence by using modal verbs, reporting verbs, adverbs, and carefully chosen stance expressions.
24 bank questions
Start lessonSeparate reported content, source commitment and requirements for action.
Advanced reporting verbs let you report not only what someone said, but also their attitude, intention, certainty, or reaction. At C1 level, you need to control patterns such as that-clauses, gerunds, infinitives, object + infinitive, preposition + -ing, and passive reporting structures while choosing verbs that express meaning precisely.
24 bank questions
Start lessonComplex passive reporting structures let you present beliefs, claims, expectations, and reported information without focusing on the source. At C1 level, you need to control patterns such as It is believed that, is believed to, to be doing, and to have done, while choosing the correct form for time, voice, and meaning.
24 bank questions
Start lessonThe English subjunctive is used mainly to express recommendations, demands, necessity, formal wishes, and hypothetical situations. Its most distinctive pattern is that + subject + base verb, even with third-person singular subjects. At C1 level, learners should also control negative and passive forms, were-subjunctive structures, and fixed formal expressions accurately.
24 bank questions
Start lessonUse noun phrases, participles and nominalisation while preserving roles and relations.
Complex noun phrases allow advanced English users to package several layers of information around one head noun. At C1 level, this often involves combining pre-modifiers with post-modifiers such as prepositional phrases, relative clauses, participle clauses and infinitive clauses. Used carefully, these structures make formal and academic writing more concise, precise and information-dense.
24 bank questions
Start lessonAdvanced participle clauses allow you to compress information and connect ideas without repeating full finite clauses. At C1 level, you need to control active and passive meaning, time relationships, logical subjects, reduced relative clauses, and perfect participles while avoiding ambiguity, dangling modifiers, and unnecessarily dense sentence structures.
24 bank questions
Start lessonNominalisation is the process of turning verbs, adjectives, or complete ideas into nouns or noun phrases. In formal and academic English, it helps writers condense information, shift attention from people to processes, and connect ideas more smoothly. At C1 level, the key skill is using nominalisation selectively without making sentences unnecessarily dense or abstract.
24 bank questions
Start lessonExpress correction, contrast and emphasis with appropriate focus patterns and inversion.
Advanced English uses more than very to create emphasis. Speakers can use emphatic do, does and did to reinforce truth or contrast, while intensifiers such as highly, deeply, absolutely and strongly modify degree and stance. Mastering these patterns helps you sound more precise, persuasive and natural in both spoken and written English.
24 bank questions
Start lessonFronting and cleft sentences let advanced English users control which information receives the strongest emphasis. Fronting moves an element to an unusual initial position, while cleft structures reorganize a sentence around a focused element. At C1 level, the key is choosing these patterns deliberately for contrast, correction, cohesion, and information focus.
24 bank questions
Start lessonAdvanced inversion changes normal English word order to create emphasis, formality, or stylistic impact. It commonly appears after negative or restrictive expressions such as never, rarely, and only after. Formal conditional clauses can also omit if and begin with Had, Were, or Should while preserving the original conditional meaning.
24 bank questions
Start lessonAlign relative reference, conditions and punctuation with the logic of the text.
Advanced relative clauses allow C1 learners to express complex relationships between people, things, ideas, and entire statements. This lesson explains defining and non-defining clauses, formal preposition fronting, preposition stranding, structures such as many of whom and none of which, and advanced patterns including in which case and by which time.
24 bank questions
Start lessonAdvanced conditionals allow English speakers to express conditions without always using if. At C1 level, learners should understand implied conditions, inversion with should, were, and had, and remote conditionals that signal hypothetical or unreal situations. These patterns help create more precise, formal, nuanced, and flexible statements about possibility, consequence, and alternative outcomes.
24 bank questions
Start lessonPunctuation in complex English sentences shows how clauses and ideas relate to one another. At C1 level, accurate use of commas, semicolons, colons, dashes, and parentheses improves clarity, emphasis, and logical flow. This lesson explains how to punctuate dependent clauses, relative clauses, connectors, and multi-clause sentences with confidence.
24 bank questions
Start lessonReduce repetition while keeping reference and audience-appropriate register clear.
Reference and substitution help connect ideas without repeating the same words and structures. Reference points readers back to people, things, or ideas, while substitution replaces nouns, verb phrases, or whole clauses. At C1 level, using pronouns, one/ones, do, so, and not accurately makes writing and speech clearer, smoother, and more cohesive.
24 bank questions
Start lessonEllipsis and substitution help advanced English users avoid unnecessary repetition. Ellipsis removes information that can be recovered from context, while substitution replaces repeated words, phrases, or clauses with forms such as one, do, so, or not. Mastering both structures makes spoken and written English more concise, cohesive, and natural.
24 bank questions
Start lessonAt C1 level, accurate grammar is not enough: you also need to choose structures that suit the relationship, purpose, and context. Formal English often uses indirect requests, hedging, impersonal structures, and selective nominalisation, while informal English commonly uses contractions, phrasal verbs, shorter clauses, and more direct personal language.
24 bank questions
Start lessonC1 · English C1 grammar: final review
The final review includes one question from every core lesson. Finish to see explanations and links back to the lessons.
Open the final review80% mastery threshold · Grammar-path result, without an official language certificate