English Grammar Quizzes with Answers and Explanations

What's New

October 26, 2026 — New Challenges:

• A, An, or The in Work Updates Ever hesitated before hitting send because you weren't sure whether to write "a SMS" or "an SMS"? Master your workplace messages by practicing definite vs. indefinite articles, vowel sound rules for acronyms, and zero articles for uncountable nouns.

• Uncountable Work Nouns: Information, Feedback, and Access Have you ever accidentally asked a colleague for "an advice" or "some informations"? Test your professional English by mastering uncountable work nouns, choosing the right quantifiers like "some" and "any", and avoiding tricky plural mistakes with words like access, feedback, and information.

• Fixing Dropped Words in Work Chat Messages 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.

• Verb Forms in Work Status Updates Have you ever sounded like a time traveler in your morning standup or sent a confusing client email? Master professional communication by fixing common errors with past simple vs. present perfect, stative verbs, future time clauses, and base forms.

• Fixing Agreement Errors in Work Messages Are you making subtle grammar mistakes in your daily standup notes and Slack messages? Master professional communication by fixing errors with company names, "one of the" phrases, "there is" vs. "there are", and tricky I/me/myself pronouns.

October 17, 2026 — New Challenges:

• Is This Too Casual for Work? 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.

• Commas That Change Meaning Did you know that a single comma can turn a harmless sentence into a cannibalistic threat? Test your punctuation skills by exploring restrictive vs. non-restrictive relative clauses, essential vs. non-essential information, and the vocative comma for direct address.

• Saying No Politely Are you worried about sounding rude when you turn down an invitation or a request at work? Master the art of polite refusals, including softening phrases, professional boundary-setting, and declining social invitations.

• Usage Pairs Are you constantly second-guessing whether to use affect or effect? Master these tricky distinctions by practicing countable vs. uncountable determiners, confusing verb pairs like lie/lay, and similar-sounding vocabulary.

• Quotation Marks: US vs UK Does the comma go inside or outside the quotation marks? Test your punctuation skills on US vs. UK comma and period placement, single vs. double quotation marks, and formatting nested quotes.

October 14, 2026 — New Challenges:

• One Word or Two? Do you know if your morning run is a workout or if you need to work out? Test your spelling and grammar skills by choosing between one word or two for tricky pairs like everyday vs. every day, maybe vs. may be, and a lot.

• Misheard Phrases 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."

• Everyday Commas Do you know when to use a comma before "and" or "but"? Master the art of punctuation by practicing compound sentences, introductory clauses, appositives, and lists in everyday scenarios.

• Apostrophes Beyond the Basics Do you know the difference between Mark and Sarah's house and Mark's and Sarah's cars? Test your punctuation skills on joint vs. separate possession, irregular plural possessives, and time expressions.

• Compound Adjectives 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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