Grammar articles on EngQuiz.Pro go deeper than the theory guides — covering contrastive analysis (when do you use since vs. for?), common learner mistakes at each CEFR level, and grammar topics that do not fit neatly into tense or structure categories. These articles are written for learners who want to understand not just the rule, but why the rule exists and where it breaks down in real English usage.
Types of Conditionals in English: Zero, First, Second, Third and Mixed
The 5 types of conditional sentences explained with formulas, examples and common mistakes — zero, first, second, third and mixed conditionals.
Passive Voice in English: Rules, Examples and Active vs Passive
Master the passive voice in English: when to use it, how to form it in every tense, active vs passive examples, and the 5 most common learner mistakes.
Who vs Whom: Simple Rule, Examples and Quick Test
Confused by who vs whom? Use the he/him test: if he fits, use who; if him fits, use whom. Examples, common mistakes and a 5-question quiz inside.
Will vs Going To: Difference, Rules and Examples
Will or going to? The simple rule: use 'going to' for plans and predictions you can see; use 'will' for decisions made at the moment of speaking.
Rules of English Grammar: The Core Patterns Behind Every Rule
Stop memorising hundreds of grammar rules. There are really only four underlying patterns — and once you see them, everything else clicks into place.
Since vs For in English: Complete Guide with Examples
When do you use "since" and when do you use "for" in English? Learn the simple rule, see real examples, and test yourself with exercises.
Much vs Many: Rules, Examples and Common Mistakes
Much vs many is one of the most common A2 grammar questions. Learn the rule in 60 seconds, see real examples, and test yourself with a quick exercise.
Gerund vs Infinitive: The Complete Guide (With Rules & Lists)
When do you use a gerund (-ing) and when do you use an infinitive (to + verb)? This complete guide gives you the rules, verb lists, and practice exercises.
Present Perfect vs Past Simple: When to Use Each
Confused about when to use present perfect or past simple? This guide explains the difference with clear rules, examples, and a quick-reference table.