Ever wondered why "the file is scheduled to be deleted" sounds perfectly fine, but "the file was attempted to be deleted" is grammatically wrong? Test your advanced grammar skills on acceptable double passives, reporting verbs for rumors, and verbs that reject passive infinitives.

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Do you know why we say Never have I seen... instead of I have never seen...? Learn how to add dramatic flair to your English by mastering negative adverbial inversion, locative fronting, and inverted conditionals.

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Do you know when to use got caught instead of was caught, or why a theory is understood rather than got understood? Challenge yourself with complex sentence structures, including dynamic get-passives, causative delegation, and adversative passives for describing unexpected misfortunes.

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Can you spot a hypothetical situation when the word "if" is nowhere to be found? Navigate 10 tricky scenarios by identifying implied conditionals hidden within phrases like but for, otherwise, given, and implied subjects.

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Who stole the diamond, or rather, when was it stolen? Master how to shift the focus of your sentences by practicing the present simple passive, past simple passive, and past continuous passive across 12 engaging scenarios.

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Verb forms show tense, voice, mood, or other grammatical features, with regular and irregular verbs. Regular verbs follow a pattern by adding -ed for past simple and past participle forms. Irregular verbs have unique forms, including essential auxiliary verbs "be," "have," and "do." Examples of common irregular verbs are "go," "write," "sing," and "swim."

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

This challenge tests your ability to distinguish between gerunds (functioning as nouns) and participles (functioning as adjectives or verb parts). Analyze -ing words in context to determine their grammatical role in each sentence.

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Ever wondered why you write a ten-page essay but say the essay is ten pages long? Master the tricky rules of hyphenation by practicing number-noun combinations, adjectives with -ly adverbs, and the difference between adjectives before and after nouns.

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Are you ready to test your grammar or reluctant to start? Master the rules for pairing adjectives of emotion, readiness, and difficulty with the to infinitive.

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Will you have mastered this grammar topic by the time you finish this quiz? Test your ability to use will have + past participle alongside time expressions like by the time and before to describe completed future actions.

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Did you cut your own hair, or did you have it cut? Master the art of delegating tasks by practicing the causative structure, focusing on the have/get something done pattern across various verb tenses.

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Who ate the last slice of pizza, and how did the dog get so muddy? Put on your detective hat and test your ability to use past modals of deduction, choosing between logical certainties, possibilities, and impossibilities.

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Did you waste your time doing something unnecessary, or did you realize it was unnecessary and skip it entirely? Test your grasp of past modals by choosing between needn't have done for wasted efforts and didn't need to do for avoided actions.

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Ever wondered how to fix a "dangling participle" before it ruins your writing? Master advanced sentence structures by practicing -ing and -ed participle clauses, identifying dangling modifiers, and using passive perfect participles to connect ideas seamlessly.

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Do you know how to state a strict rule without saying exactly who must follow it? Test your ability to construct the passive voice with modal verbs, form negative rules like must not be touched, and express possibilities with might be seen.

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Have you ever arrived at the airport only to realize your plane had already left? Master the timeline of past events by practicing the Past Perfect tense, contrasting it with the Past Simple, and correctly placing adverbs of time.

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Why write "the alien who was stranded" when you can simply say "the alien stranded"? Master concise writing by testing your knowledge of active and passive participle phrases, stative verb reductions, and infinitive relative clauses across 10 challenging questions.

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Did you hear the floorboards creak, or did you hear them creaking? Master the rules for using the bare infinitive for completed actions and the -ing form for actions in progress after common verbs of perception.

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Are you bored, or is the situation boring? Master the difference between -ed adjectives for feelings and -ing adjectives for causes in contexts like awkward dates, spooky hotels, and tedious jobs.

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Do you know why we say "in my opinion" but never "according to me"? Master the tricky grammar behind expressing preferences, verbs of dislike with gerunds, and natural opinion phrases.

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Practice using participle clauses to create more concise sentences. This challenge covers both -ing participles for simultaneous actions and having + past participle for completed actions.

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Complex participles and gerunds, their perfect, passive or perfect-passive forms are interesting. The accurate understanding and usage of such participial nad gerund constructions especially after the verb to be and different prepositions; before nouns; and also in set expressions and constructions shows... shows...

Actually, go and try to figure it out yourself.

Would you say "Hey boss, what's good?" to the CEO on your first day? Master your professional tone by practicing formal email greetings, polite requests, and workplace apologies.

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Master transitive vs. intransitive verbs and avoid common errors like discuss about or enter into. Stop adding unnecessary prepositions with high-impact verbs like discuss, reach, enter, and contact!

Ever type so fast on Slack or Teams that you leave out an essential word? Test your ability to spot and fix missing auxiliary verbs, dropped pronouns, and omitted prepositions in everyday professional messages.

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