Do you know how to use "Try as I might" or "Ridiculous as it sounds" correctly? Master advanced contrast structures by testing yourself on fronted adjectives with as/though, verb fronting, albeit, and much as.

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Do you know how to elegantly pivot back to a main story after a random tangent, or correctly use formal words like albeit and notwithstanding? Test your mastery of advanced transitions by practicing markers of concession, extent and purpose, and reformulation and resumption across 10 challenging questions.

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Do you know how to express an unfulfilled plan from the past or calculate exact durations leading up to a future deadline? Test your advanced grammar skills by mastering the future perfect continuous, future in the past, and nuanced expectation phrases like bound to and on the verge of.

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Do you know if a rumored corporate merger is in the offing or on the offing? Test your mastery of advanced, fixed phrases by choosing the correct prepositions for expressions like by dint of, under the auspices, out of kilter, and at the behest of.

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Have you ever wondered why we say "be that as it may" instead of "is that as it may"? Master the remnants of the English subjunctive mood by practicing fixed expressions, concessive phrases, and hypothetical idioms across 10 challenging scenarios.

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Do you know when to use "Were I to go" instead of "If I was going"? Master the art of formal hypotheticals by testing yourself on subject-verb inversion, the "were to" future conditional, and tricky mixed conditionals.

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Did you know that using two negative words in an English sentence is usually a grammatical mistake? Test your ability to choose between nobody for people, nothing for things, and nowhere for places, while learning to avoid tricky double negatives.

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Do you know the difference between looking for your keys and looking after a pet? Test your knowledge of essential daily vocabulary, including verbs for routines, clothing, electronics, and problem-solving.

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Do you live in a "doggy dog" world, or is it a dog-eat-dog world? Test your knowledge of commonly misheard phrases, confused idioms, and tricky grammatical sound-alikes like should have vs. "should of."

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Do you know why we say "boost confidence" but "build self-esteem"? Master essential collocations for expressing emotions, managing stress and anxiety, and building confidence through 24 varied questions.

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Test your Fluency Boost: Opinions, Academic Discourse & Adverb+Adjective Collocations skills with 24 questions at medium level.

Do you make the dishes or do the dishes, and why does it matter? Test yourself on make vs. do for chores, cooking verb collocations, and eating-out phrases like booking tables and leaving tips across 25 questions.

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Ever wonder why we say someone is in a hurry but did something completely by mistake? Master the tricky exceptions of English grammar by practicing indefinite article phrases, definite article idioms, and zero-article expressions.

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Why do we say it's no use trying instead of it's no use to try? Master the tricky gerund rules for it's no use and there's no point in while navigating fun, advanced scenarios from zombie encounters to cursed office printers.

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Do you know how to ask for sauce separately or what to say when a barista asks where you'll eat your food? Test your knowledge of restaurant collocations, shopping phrasal verbs, and everyday prepositions like paying in cash.

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Do you freeze up when an English speaker asks, "What's up?" Master the art of everyday conversation by practicing casual greetings, natural replies, and weekend farewells.

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Have you ever wondered if someone "replied me" or "replied to me"? Master the nuances of digital communication by practicing verb patterns, texting collocations, and messaging prepositions.

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Are you still saying "You are welcome" to every "Thank you" and "It is nothing" to every apology? Upgrade your conversational English by mastering prepositions with gerunds, fixed expressions of gratitude, and natural responses to daily situations.

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Do you know whether to say "I look forward to hear" or "I look forward to hearing"? Test your knowledge of gerunds, infinitives of purpose, and polite professional collocations for emails and virtual meetings.

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Are you worried about sounding rude when asking someone to reply to your email? Master the art of polite follow-ups, softening language, and friendly reminders for both workplace and social situations.

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This English grammar quiz is designed to check if an English learner is at C2/Upper Intermediate CEFR level.

This is a quiz to check if an English learner is at the C1/Advanced CEFR level. It tests the learner's ability to understand and use a wide range of complex and nuanced language. The questions will cover various grammar topics such as verb tenses, modals, passive voice, and idiomatic expressions. The learner will be expected to show a high degree of accuracy in their use of English. The quiz is designed to challenge even the most advanced learners and will be a good indicator of whether they have reached a C1 level of proficiency in the language.