Book of Knowledge English
Common Agreement and Relationship Errors Errors involving agreement and grammatical relationships are among the most common problems in English writing. They often occur because learners focus on words that are close to the verb or pronoun rather than identifying the actual grammatical relationship. Subject–Verb Errors Incorrect: ❌ The list of items are ready. Correct: ✓…
Complements, Objects and Grammatical Functions Words and phrases perform different grammatical functions within a sentence. Understanding these functions is more useful than simply labeling words according to their parts of speech. Subject The subject is generally the main participant or topic of a clause and controls agreement in many constructions: The student passed the examination….
Grammatical Number, Person and Case Number, person, and case are grammatical categories that help show relationships between words in a sentence. Number English distinguishes primarily between singular and plural. student / students book / books child / children Number affects nouns, pronouns, determiners, and some verb forms: This student is ready. These students are ready….
Pronoun Agreement and Reference Pronoun agreement means that a pronoun should correspond appropriately with its antecedent in relevant grammatical features such as number and person. The boy lost his book. The girls brought their books. The pronoun must also have a clear reference. Number Agreement A singular antecedent normally requires a singular pronoun: The student…
Subject–Verb Agreement Subject–verb agreement means that the form of a verb must correspond appropriately with its subject, particularly in number and person. In the present tense, third-person singular subjects usually take a verb ending in -s, while plural subjects normally take the base form: The student works hard. The students work hard. With the verb…
Coordination, Subordination and Complex Sentences English combines clauses primarily through coordination and subordination. These relationships allow writers to connect ideas and express logical relationships between them. Coordination Coordination joins elements of equal grammatical status. The most common coordinating conjunctions are: for, and, nor, but, or, yet, so They are traditionally remembered through the acronym FANBOYS….
Clauses and Their Functions A clause is a grammatical unit containing a subject and a predicate, although the subject may sometimes be understood rather than explicitly expressed. Clauses are fundamental to sentence construction. Independent Clauses An independent clause can normally stand alone as a complete sentence: She finished the work. It contains a complete thought…
Phrases and Their Functions A phrase is a group of words that functions as a unit but does not normally contain a complete subject–finite-verb relationship. Phrases can perform many grammatical functions within sentences. Noun Phrases A noun phrase is centered on a noun or pronoun: the book a very intelligent student my new English teacher…
Sentence Types and Patterns English sentences can be classified according to both their structure and their communicative purpose. Four Traditional Functional Types A declarative sentence makes a statement: She lives in Peshawar. An interrogative sentence asks a question: Does she live in Peshawar? An imperative sentence gives a command, instruction, request, or advice: Open the…
Elements and Building Blocks of Sentences A sentence is a grammatical unit that expresses a complete proposition, question, command, exclamation, or other communicative function. Understanding sentence structure requires identifying the roles played by its different elements. The two most fundamental elements are the subject and the predicate. The students completed the assignment. Here, the students…
Tense and Time Time refers to when an event happens: past, present, or future. Tense, however, is a grammatical system used to express time and related meanings. English traditionally identifies two grammatical tenses in terms of verb form: present and past. Future time is usually expressed through constructions involving auxiliaries and other forms. Present Forms…
Non-Finite Verbs: Infinitives, Gerunds and Participles A finite verb is marked for tense and can normally function as the main verb of a clause: She works here. They worked yesterday. A non-finite verb does not itself carry the normal tense and agreement marking of a finite verb. The major non-finite forms are infinitives, gerunds, and…
Articles: A, An and The English has three articles: a an the There is also the zero article, meaning that no article is used. Articles help express whether a noun is being presented as general, specific, known, or identifiable. A and An A and an are indefinite articles. They normally occur with singular countable nouns…
Aspect and Mood Aspect describes how an action or situation is viewed in relation to its duration, completion, repetition, or progression. Mood expresses the speaker’s attitude toward the proposition, such as certainty, possibility, necessity, or hypotheticality. Aspect English commonly expresses four aspectual patterns. Simple aspect presents an event or state without emphasizing its internal progression:…
Understanding Verbs and Verb Types A verb is a word that expresses an action, event, process, condition, or state. Verbs are central to English sentences because they tell us what the subject does, experiences, or is. She writes every day. The children played outside. The situation changed quickly. He knows the answer. They are happy….
Determiners, Quantifiers, Demonstratives and Possessives A determiner is a word or expression that helps identify, limit, quantify, or specify a noun. Determiners normally occur before nouns: the book my car this house some information three students They help answer questions such as: Which one? Whose? How many? How much? Is it specific or general? Major…
Articles: A, An and The English has three articles: a an the There is also the zero article, meaning that no article is used. Articles help express whether a noun is being presented as general, specific, known, or identifiable. A and An A and an are indefinite articles. They normally occur with singular countable nouns…
Pronouns and Their Uses A pronoun is a word that can stand for, refer to, or substitute for a noun phrase. Instead of saying: Ahmed went to Ahmed’s office because Ahmed had forgotten Ahmed’s keys. we can say: Ahmed went to his office because he had forgotten his keys. Pronouns make communication more efficient, but…
Countable, Uncountable and Collective Nouns One of the most important distinctions in English grammar is between countable and uncountable nouns. Countable Nouns A countable noun refers to something that can be counted as individual units. one book, two books one student, five students one apple, ten apples Countable nouns can normally have: singular and plural…
Nouns: Types, Number, Gender and Case A noun is a word used to name a person, place, thing, animal, idea, quality, activity, or state. Nouns are among the most important elements of English because they commonly function as the subject, object, complement, or object of a preposition in a sentence. For example: The teacher explained…