Here is the best list of English lessons that you can download for yourself-study or classroom helps.

I: English Dialogues

Dialog Part 1

Dialog Part 2

Dialog Part 3

Dialog Part 4

Dialog Part 5

II: Word Classes

Noun

Pronoun

Adjective

Adverb

Preposition

Verb

Conjunction

Interjection

Determiner

Transition

III: Tenses

Past Tenses

Present Tenses

Future Tenses

IV: Advanced Grammar

Phrases

Clauses

Sentences

Conditionals

Moods

Awkward Sentence

Sentence Fragment

Misplaced Modifier

Run-on Sentence

Dangling

Punctuation

V: Writing

Paragraph Writing

Essay Writing

Application Letter

Curriculum Vitae

Cover Letter

Email

VI: Stories

Khmer Story

English Story

VII: Q&A (Questions & Answers)