π A question tag repeats the sentenceβs auxiliary and subject pronoun, with a negative tag after an affirmative statement and an affirmative tag after a negative statement.
Affirmative statement, negative tag; negative statement, affirmative tag.
β Must-know
The present simple expresses general truths or characteristics, such as βWomen live longer than men.β
The present simple describes habitual or repeated actions, often with frequency markers such as usually, always, every month, or on Saturdays.
Further detail
The present simple can narrate sudden actions as they happen, especially in radio or television commentary, and can make stories livelier.
The present simple describes future events presented as objective schedules, as in βThe train leaves at 8:30 tomorrow morning.β
β Must-know
The present continuous commonly focuses on an action in progress at the present moment, often understood as temporary.
The listed poorly compatible verb groups are:
Further detail
Simple reports a general fact; continuous views an action in progress.
π For questions with verbs other than be, place the auxiliary before the subject and the main verb in its base form; for be, invert be and the subject.
β Must-know
π Wh-questions ask for unknown information and begin with an interrogative word, whereas yes-no questions seek confirmation and begin directly with an auxiliary.
π In present-simple questions with a verb other than be, use do or does before the subject and the base verb after the subject; in past-simple questions, use did and the base verb.
Further detail
π When the questioned word is the subject, a wh-question has no auxiliary, as in βWho helps Paul?β; when it is the object, use an auxiliary, as in βWho did Anna help?β
Wh-questions seek unknown information; yes-no questions confirm known information.
π Use how many with a plural countable noun and how much with an uncountable noun; how much can also ask a price.
β Must-know
π Regular verbs form the affirmative simple past with -ed at every person; its ending is pronounced [t] or [d], or [Ιͺd] after a base ending in [t] or [d].
π In simple-past negatives and questions, did carries the past tense and the main verb remains in the base form.
π The past continuous is formed with was or were plus the verb in -ing form, and the final consonant is doubled in a consonant-vowel-consonant spelling such as sitting.
Further detail
π The course excludes state, preference, perception, and mental-activity verbs from the past continuous, while noting expressions such as have lunch and see someone meaning date as exceptions.
Simple past marks a past event; past continuous presents its ongoing background.
β Must-know
π For subject relative pronouns, use who for people and which or that for inanimate antecedents; who is usually required after those.
π Object relatives for people can use whom or that, or be omitted; object relatives for things can use which or that, or be omitted, although a preposition may precede which.
Further detail
Whose marks possession regardless of whether its antecedent is animate or inanimate.
The course uses where for a place antecedent, when for a time antecedent, and why for a cause or reason antecedent.
π Subject pronouns occur before the main verb, object pronouns after the main verb or before an infinitive, and reflexive pronouns after certain verbs.
π Possessive adjectives such as my and your precede a noun or gerund, whereas possessive pronouns such as mine and yours are not followed by a noun.
β Must-know
π Countable nouns can be plural and preceded by numbers, whereas uncountable nouns are not pluralized and do not take a number directly.
π Use many with countable plurals and much with uncountable nouns; a lot of, lots of, and plenty of can be used with both, especially in affirmative sentences.
Further detail
Few and a few modify countable nouns, while little and a little modify uncountable nouns; the course contrasts few/little meaning little with a few/a little meaning some.
People is a countable plural noun, men, women, and children are already plural forms, and information, advice, and news are uncountable.
Countable nouns take plurals and numbers; uncountable nouns do not.
β Must-know
π Some is used in affirmative statements and any commonly in negatives and questions asking whether something exists; some also appears in questions that assume something exists or make an offer or request.
π Every takes a singular verb form and appears in compounds such as everything, everybody, everywhere, every time, and every day.
Further detail
π In affirmative use, any and its compounds can mean βno matter which, what, where, or when,β and adding else means βother.β
Some suits affirmatives and offers; any suits existence questions and negatives.
β Must-know
π The indefinite article a/an is used with singular professions and nationalities and follows the sound of the next word: a before a consonant sound and an before a vowel sound.
π The definite article the can precede singular or plural nouns and is used when the situation or context identifies the noun.
Further detail
β Must-know
Further detail
Jamestown (1607) precedes the Pilgrimsβ arrival (1620).
β Must-know
Further detail
β Must-know
Further detail
About 35,000 years ago, Indigenous peoples are said in the course to have arrived in the continent later called America.
The course states that the United States bought Louisiana from France for 15 million dollars and that Russia sold Alaska to the United States for $7,200,000.
Take a 36-question practice quiz on English Grammar and U.S. History, with every answer explained.
1. What kind of tag completes the sentence, βThey are ready, ...?β
2. Which tag correctly completes βShe hasnβt called, ...?β
Memorize the key concepts of English Grammar and U.S. History with 68 flashcards.
What does a question tag repeat from its sentence?
The sentenceβs auxiliary and subject pronoun.
Which tag follows an affirmative statement?
A negative tag.
Which tag follows a negative statement?
An affirmative tag.
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