Academy / English Grammar
#7 Forming Questions and Negative Sentences
Mar 1, 2026 · Oiyo
Learn how to form yes/no questions, Wh-questions, and negatives in English using auxiliary verbs do, does, and did.
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Academy / English Grammar
#8 The Passive Voice: When the Object Becomes Subject
Mar 1, 2026 · Oiyo
Understand how to form and use the passive voice in English, including tense changes, when to use it, and common mistakes to avoid.
Academy / English Grammar
#9 If Clauses: Zero, First, Second, and Third Conditionals
Mar 1, 2026 · Oiyo
Master all four English conditional sentence types — zero, first, second, and third — with a clear structure table and common error fixes.
Academy / English Grammar
#10 Gerunds and Infinitives: -ing vs To
Mar 1, 2026 · Oiyo
Learn which verbs take gerunds, which take infinitives, and which take both — including the crucial meaning differences that change everything.
Academy / English Grammar
#11 Modal Verbs: Ability, Permission, Obligation, and Possibility
Mar 1, 2026 · Oiyo
A complete guide to English modal verbs — can, could, may, might, must, should, will, would, and shall — with usage tables and examples.
Academy / English Grammar
#12 Reported Speech: Telling What Others Said
Mar 1, 2026 · Oiyo
Learn how to convert direct speech to reported speech in English, including tense backshift, pronoun changes, and time expression adjustments.
Academy / English Grammar
#13 Relative Clauses: who, which, that, where, when
Mar 1, 2026 · Oiyo
Master English relative clauses — defining vs non-defining, relative pronouns, and how to reduce clauses for more concise writing.
Academy / English Grammar
#14 Top 10 Grammar Errors and How to Fix Them
Mar 1, 2026 · Oiyo
Identify and correct the 10 most common English grammar mistakes — from its/it's confusion to dangling modifiers — with clear correction examples.
Academy / English Grammar
#15 Advanced Grammar: Cohesion, Coherence, and Style
Mar 1, 2026 · Oiyo
Elevate your English writing with advanced grammar tools — discourse markers, parallel structure, sentence variety, and academic hedging language.
Academy / Finance
#1 Alchemy of Wealth: Goals of Finance and Time Value of Money
Mar 1, 2026 · Oiyo
Understand the ultimate goal of financial management—maximizing corporate value—and master the concept of Time Value of Money (TVM), the bedrock of all financial decision-making.