ENGLISH GRAMMAR
TOPIC
English Grammar
English Mastery — Part 1: Basic English
Phrase & Sentence
A key skill in grammar is telling a phrase apart from a sentence — this affects punctuation and clarity in writing.
๐ DEFINITION
A Phrase is a group of related words that does NOT contain a subject and a finite verb together, and does not express a complete thought. A Sentence is a group of words that DOES contain a subject and a finite verb, and expresses a complete thought.
EXPLANATION & RULES
- A phrase acts as a single part of speech (noun, adjective, adverb, etc.) within a sentence.
- Types of phrases: Noun Phrase (the tall boy), Verb Phrase (has been working), Adjective Phrase (full of joy), Adverb Phrase (in a hurry), Prepositional Phrase (on the table).
- A sentence always begins with a capital letter and ends with a full stop, question mark, or exclamation mark.
- A sentence must make complete sense on its own; a phrase cannot stand alone with complete meaning.
EXAMPLES
| TYPE / CASE | EXAMPLE |
|---|---|
| Phrase (incomplete) | in the morning |
| Sentence (complete) | I go for a walk in the morning. |
| Noun Phrase | The little girl smiled. |
| Prepositional Phrase | The book is on the table. |
⭐ KEY POINTS TO REMEMBER
- Phrase = no subject+finite verb combo, incomplete sense
- Sentence = subject+finite verb, complete sense
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Subject & Predicate
Every complete sentence in English can be split into two essential parts — the Subject and the Predicate.
๐ DEFINITION
The Subject is the part of a sentence that names the person, place, thing, or idea about which something is said. The Predicate is the part of the sentence that says something about the subject (usually containing the verb).
EXPLANATION & RULES
- Simple Subject — the main noun/pronoun only (e.g., 'boy' in 'The tall boy runs fast').
- Complete Subject — the main noun plus all its modifiers (e.g., 'The tall boy').
- Simple Predicate — the main verb only (e.g., 'runs').
- Complete Predicate — the verb plus its object/complement/modifiers (e.g., 'runs fast every morning').
- To find the subject, ask 'Who or what is doing/being something?'
EXAMPLES
| TYPE / CASE | EXAMPLE |
|---|---|
| Sentence | The little girl / sings a sweet song. |
| Subject | The little girl |
| Predicate | sings a sweet song |
| Sentence | Birds / fly in the sky. |
⭐ KEY POINTS TO REMEMBER
- Subject = who/what the sentence is about
- Predicate = what is said about the subject
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Parts of a Sentence
Beyond subject and predicate, a sentence can be broken into functional parts that show exactly how meaning is built.
๐ DEFINITION
The main parts of a sentence are Subject, Verb, Object, and Complement, connected together to express complete meaning.
EXPLANATION & RULES
- Subject — the doer of the action (She sings).
- Verb — the action or state (She sings / She is happy).
- Direct Object — receives the action directly (She sings a song).
- Indirect Object — the receiver for whom/to whom the action is done (She gave him a gift → 'him' = indirect object, 'a gift' = direct object).
- Complement — a word/phrase that completes the meaning of the subject or object (She is a doctor → 'a doctor' completes 'She').
- Adverbial — tells how, when, where the action happens (She sings beautifully every evening).
EXAMPLES
| TYPE / CASE | EXAMPLE |
|---|---|
| S + V | Birds fly. |
| S + V + O | He reads a book. |
| S + V + IO + DO | She gave me a pen. |
| S + V + C | He is a teacher. |
⭐ KEY POINTS TO REMEMBER
- S-V-O is the basic English sentence pattern
- Complement completes meaning; Object receives the action
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Types of Sentences (By Structure)
Based on how many clauses they contain and how those clauses are joined, sentences are grouped into four structural types.
๐ DEFINITION
Sentences are classified by structure into Simple, Compound, Complex, and Compound-Complex sentences.
EXPLANATION & RULES
- Simple Sentence — one independent clause only (He runs fast).
- Compound Sentence — two or more independent clauses joined by a coordinating conjunction (and, but, or, so) (He runs fast, but she walks slowly).
- Complex Sentence — one independent clause + one or more dependent clauses joined by a subordinating conjunction (because, although, when, if) (He runs fast because he wants to win).
- Compound-Complex Sentence — at least two independent clauses + at least one dependent clause (He runs fast because he wants to win, but she prefers to walk).
EXAMPLES
| TYPE / CASE | EXAMPLE |
|---|---|
| Simple | She sings well. |
| Compound | She sings well, and he dances well. |
| Complex | Although she is tired, she sings well. |
| Compound-Complex | Although she is tired, she sings well, and the crowd cheers. |
⭐ KEY POINTS TO REMEMBER
- Simple = 1 clause
- Compound = 2+ independent clauses (and/but/or/so)
- Complex = independent + dependent clause (because/although/if/when)
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Affirmative & Negative Sentences
Every statement in English can be expressed positively (affirmative) or negatively, and the rules for forming each are different.
๐ DEFINITION
An Affirmative Sentence states that something is true or is the case. A Negative Sentence states that something is NOT true or is NOT the case, usually formed using 'not', 'no', 'never', or negative words.
EXPLANATION & RULES
- To make a sentence negative, add 'not' after the auxiliary/modal verb (is, am, are, was, were, has, have, had, will, can, etc.).
- If there is no auxiliary verb, use 'do not / does not / did not' + base form of the verb.
- Other negative words: never, no, none, nobody, nothing, nowhere, neither...nor.
- Double negatives (e.g., 'I don't have no money') are incorrect in Standard English.
EXAMPLES
| TYPE / CASE | EXAMPLE |
|---|---|
| Affirmative | She likes tea. |
| Negative | She does not like tea. |
| Affirmative | They are playing. |
| Negative | They are not playing. |
| Affirmative | He has a car. |
| Negative | He has no car. / He does not have a car. |
⭐ KEY POINTS TO REMEMBER
- With auxiliary/modal: add 'not' directly after it
- Without auxiliary: use do/does/did + not + base verb
- Avoid double negatives
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Interrogative Sentences
Interrogative sentences are used to ask questions, and English has a fixed word order for forming them correctly.
๐ DEFINITION
An Interrogative Sentence is a sentence that asks a question and always ends with a question mark (?).
EXPLANATION & RULES
- Yes/No Questions — formed by placing the auxiliary/modal verb before the subject: 'Is she coming?', 'Can you swim?'
- If there is no auxiliary verb in the statement, use Do/Does/Did before the subject: 'Does he play cricket?'
- Wh-Questions — begin with a question word (What, Where, When, Why, Who, Whom, Whose, Which, How) followed by the auxiliary verb, then the subject: 'Where does she live?'
- Question Tags — short questions added at the end of a statement to confirm information: 'She is coming, isn't she?' (positive statement → negative tag, and vice versa).
EXAMPLES
| TYPE / CASE | EXAMPLE |
|---|---|
| Yes/No Question | Are you ready? |
| Wh-Question | Where do you live? |
| Question Tag | You like tea, don't you? |
| Question Tag (negative→positive) | He isn't coming, is he? |
⭐ KEY POINTS TO REMEMBER
- Yes/No: Aux/Modal + Subject + Verb + ?
- Wh-word + Aux + Subject + Verb + ?
- Question tag: positive statement → negative tag (and vice versa)
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