
Take the free test to know your level of English grammar and see how much improvement you need; learn tricks to the most confusing parts, step by step.
Explore the ugliest and most ridiculous English grammar mistakes this course targets for quick improvement. Note that this is not a complete grammar course; ask questions in chat for help.
Explains how indefinite articles a and an are chosen by sound, not spelling, before nouns; use a before consonant sounds and an before vowel sounds with university and honor examples.
Clarify how to use indefinite articles and the definite article, introduce 'one' as a pronoun to avoid repetition, and illustrate with everyday examples.
Explore when to use the definite article with non-count nouns versus no article, with examples like water, love, body parts, and languages.
Learn when to use articles with languages and nationalities, distinguish countable vs non-count nouns, and choose speak over know for natural phrasing.
Master pronoun usage and avoid common mistakes by using they for non-specific people, he/she for individuals, and one, it, and them in everyday contexts.
Learn how to use very, really, so, and such to modify adjectives. Explore too with adjectives, nouns, and verbs and express consequences with so that.
Learn how some, any, and none appear in positive, negative, and question sentences, with derivatives like somebody, anybody, somewhere, anywhere, anything, and anyhow.
Learn the distinction between very much and a lot. See how a lot is quantitative and can be replaced with numbers, while very much is qualitative and expresses feelings.
Learn to express preferences with would like and would prefer, including the to-infinitive after someone, and use polite forms like I’d like or I’d prefer.
Explore would rather and had better, including contractions like I'd rather and I'd better. Learn how to express preferences using these constructions with infinitives, plus example usage.
Learn when to use what and when to use which, and how to connect clauses with that, with examples of limited choices and unlimited options.
Learn how to form questions with who and what using do, does, and did, including when the subject or doer is unknown, with practical examples.
Explain countable versus uncountable nouns and their paradoxes, using examples such as cake, beer, time, knowledge, fish, and money, and clarify when nouns are plural or uncountable.
Explore the distinctions among each, every, all, and none, focusing on individual versus group meanings, singular versus plural usage, and correct negative constructions.
Distinguish few and little, and their variants a few and a little, showing how countable versus uncountable nouns affect meaning in positive or negative contexts.
Explore when to use much, many, a lot of, and lots of with countable and uncountable nouns, and practice forming questions with how many and how much.
Master the correct use of numbers, dates, and measurements, including when to use plural or singular forms, measurement adjectives and units, and how to write and pronounce years and dates.
Clarify the correct use of possessive adjectives and pronouns (my, mine, your, yours, our, theirs) and when nouns follow adjectives or pronouns stand alone.
Learn how collective nouns affect verb agreement, using singular for one, plural for groups, police is coming, none of my friends are married, and staff and jury take plural verbs.
Learn to use first and second time constructions with present perfect and past perfect, with examples like this is the first time I've seen or eaten, and practice completing sentences.
Explore the genitive case and apostrophe usage to show belonging, including time expressions like two weeks time and one day's time.
Explain the difference between used to and am used to, distinguishing past habits from present ones you are accustomed to. Include questions and negatives.
Compare be able to, can, could, and managed to for ability, permission, and specific occasions, and distinguish I could swim, I was able to swim, and I managed to swim.
Clarify that born is an adjective needing be, as in I was born in California, while die is a verb (died) and dead is an adjective.
Explore the difference between going to and will in English, including future predictions, inevitability, spontaneous decisions, and personal intentions with clear examples.
Master the correct use of be versus have in English, learning when be follows a noun for description and when have shows ownership across present and past forms.
Explore be done versus have done by mastering passive forms with be plus past participle and the present perfect, and distinguish state from action in everyday sentences.
Learn the difference between have gone and have been, including been to versus been in, to express ongoing presence, completed visits, and duration with for a few weeks.
Compare can and may to distinguish ability, certainty, and permission, and apply examples like 'can I eat your cake' versus 'may I eat your cake' in everyday speech.
Learn the difference between can and may, including ability versus permission, certainty versus speculation, and contractions, with clear examples of cannot and may not.
Learn to form comparatives and superlatives, including rules for one-syllable and y-ending adjectives, with examples like bigger, faster, best, more and most, and constructions like as ... as.
Define present real conditionals in English, using present in the condition and simple future in the result, with when vs if and examples like entering college or seeing a bear.
Learn unreal conditionals for present and past, using were for imaginary situations, the past form in the condition, and would or would have for hypothetical outcomes.
Learn to distinguish infinitives (to do) from gerunds (doing); gerunds are noun forms formed from verbs by adding ing, while infinitives are base forms with to after main verbs.
Learn when to use a gerund or infinitive after stop, remember, and hate, and how the choice changes meaning from interrupting an activity to signaling future actions.
Learn to use suggest, recommend, and advise with gerunds, base forms, and infinitives without to, including how suggest uses a gerund when involved and how advise uses to do something.
Learn the differences between allow, let, and afford, and how each governs infinitives to express permission, with examples and practice.
Master the usage of already, just, still, and yet to express past experiences, ongoing actions, and recent completions, with examples and notes on present perfect usage.
Explore the differences between simple present and present progressive, including momentary actions, temporary ongoing actions, repeated habits, near-future plans, routines, and schedules.
Compare have and have got, covering possess, eat, drink, organize, contracted forms, and how to form questions and negatives with do or does; note have got is present simple.
Learn how have something done and have someone do something express causative actions in English grammar, compare with get, and use examples like a tooth fixed or a car stolen.
Learn to use how long for duration, how much time for uncountable time, and how many times for the number of events, with clear examples using minutes and times.
Master the correct use of like, would like, love, and prefer, including to-infinitive versus gerund and the proper I prefer X to Y construction.
Learn the difference between make someone do something and let someone do something, highlighting force versus permission with examples like brushing teeth and playing on weekends, plus passive forms.
This lecture explains the difference between must and have to, showing how have to express obligation across tenses and questions or negatives, while must serves as a modal for orders.
Understand the difference between must not and don't have to, and between don't need to and don't have to, with examples like waking up early and using a washing machine.
Learn when to use active versus passive voice, emphasizing the receiver of the action, with practical examples and tips for avoiding awkward or ridiculous sentences.
Compare present perfect with simple past to reveal differences in unfinished time. Use present perfect for unfinished periods and ongoing states; simple past for completed times.
Master the present perfect by using prepositions for, since, and in to express duration, starting points, and actions that didn't take place, with clear examples.
Compare the simple present and will for future meaning, and outline rules for using will after time words like as soon as, when, or if.
Welcome to the “common grammar mistakes” course.
WARNING: This is not just an English grammar course. It doesn’t cover all English grammar topics. It covers the most difficult and trickiest parts of English grammar that most English language learners have problems with.
Watch the free lectures and you will see what this English grammar course is all about
If you want to improve your English grammar and use English grammar intuitively, this is the right course. Also, in this English grammar course, you learn the most common English grammar mistakes people make and how to stop making those English grammar mistakes in the future