Every English word belongs to one of nine parts of speech. Each guide below explains a category in plain English with examples and interactive practice quizzes.
🇺🇸 All guides use US (American) English spelling and usage.
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Prepositions of Time — in, on, at, for, since ⏰ English Prepositions #3 (A2)
11:51
Plural Nouns in English 🖼️ 50 Words — Regular & Irregular Plurals (A1)
10:57
100 Opposite Words in English 🖼️ 50 Pairs with Pictures (A1)
13:57
Comparative & Superlative Adjectives 🖼️ 48 Adjectives with Pictures (A1-A2)
20:48
All 12 English Tenses — The Complete Course 🕐 Simple, Continuous & Perfect (A1-B1)
15:10
ALL 118 English Irregular Verbs You Need 🖼️ Past Simple & Past Participle — with Pictures
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English Tenses, Lesson 3 — The Perfect Tenses 🕐 have, has, had (A2)
13:49
72 Common English Phrasal Verbs 🖼️ With Pictures & Meanings (A2-B1)
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English Tenses, Lesson 2 — Present, Past & Future Continuous 🕐 (A1-A2)
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English Tenses, Lesson 1 — Past, Present, Future 🕐 The Simple Tenses (A1)
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51 MORE Irregular Verbs in English 🖼️ Part 2 — Past Simple & Past Participle (A2-B1)
16:43
67 Irregular Verbs in English 🖼️ Part 1 — Past Simple & Past Participle (A1-A2)
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Prepositions of Place: All 16 in English | English Prepositions #2
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Prepositions of Movement: All 18 in English | English Prepositions #1
Wow, the young teacher quickly wrote a letter on the board, and she smiled.
What the colors mean
noun pronoun verb adjective adverb preposition conjunction article interjection
Words that name people, places, things, or ideas. Almost every sentence contains a noun.
The young teacher wrote a letter on the board.
Inside the guide: 8 types (common, proper, abstract, concrete, collective, compound, countable / uncountable, gerunds) · 7 sentence functions (subject, complement, direct & indirect object, appositive, object of preposition…) · singular and plural spelling rules including irregulars.
Words that show an action, an event, or a state of being. Every complete sentence needs one.
The young teacher quickly wrote a letter and smiled.
Inside the guide: the 5 verb forms (infinitive, simple present / past, past & present participle) · regular vs irregular · action verbs (transitive vs intransitive) · non-action / stative verbs · linking verbs · helping (auxiliary) verbs and modals · all 12 tenses · conditionals (if-sentences) · passive voice · reported speech.
Words that replace nouns, so you don’t have to repeat the same name again and again.
The young teacher wrote a letter, and she smiled.
Inside the guide: the 9 types (personal, possessive, intensive, reflexive, relative, interrogative, indefinite, reciprocal, demonstrative) · full personal-pronoun table by case, person, number, and gender · pronoun vs adjective side-by-side.
Words that describe a noun or pronoun — what kind? how many? which one?
The young teacher wrote a letter on the board.
Inside the guide: 8 types (descriptive, quantitative, demonstrative, interrogative, indefinite, possessive, proper, participial -ing/-ed) · where to place adjectives · royal order · comparative & superlative forms · commas between adjectives.
Words that modify a verb, an adjective, another adverb, or a whole sentence — usually ending in -ly.
The young teacher quickly wrote a letter on the board.
Inside the guide: 7 types (manner, time, place, degree, frequency, interrogative, conjunctive) · how adverbs form from adjectives · sentence position · intensifiers · comparative & superlative forms · the linking-verb trap (looks good vs looks well).
Small words that link a noun or pronoun to the rest of the sentence — showing place, time, direction, cause, or means.
The young teacher wrote a letter on the board.
Inside the guide: 5 types (place, direction, time, cause, means) · prepositional phrases · position rules · in / on / at for places and times · for vs since · verb & adjective collocations · multi-word prepositions · the "to" preposition trap.
Words that join other words, phrases, or whole sentences so ideas flow together.
The young teacher wrote a letter on the board, and she smiled.
Inside the guide: coordinating (FANBOYS) · subordinating · correlative pairs · conjunctive adverbs (semicolon rule) · sentence types · because vs because of · comma splices & run-ons · comma rules and parallel structure.
The three small words a, an, and the — they tell the listener whether a noun is general or specific.
The young teacher wrote a letter on the board.
Inside the guide: indefinite a / an chosen by sound (not letter) · definite the for specific or unique nouns · zero article for general, uncountable, and proper nouns · common ESL mistakes.
Short words or phrases that express a sudden feeling or reaction.
Wow! The young teacher wrote a letter on the board.
Inside the guide: what an interjection does · common groups by emotion (surprise, pain, happiness, annoyance, greeting, agreement) · punctuation (comma vs exclamation mark) · when to use them in writing.