TOEFL grammar Archives - Advanced English Lab

To vs At: Movement and Location Prepositions Explained

writer — Tue, 01 Sep 2026 13:33:38 +0000

1. Introduction to To and At English prepositions can be challenging because small words often carry big meaning. Two of the most commonly confused prepositions are “to” and “at”. Although both are small, they have distinct uses. The basic difference is: Understanding this difference will help you choose the correct preposition in speaking and writing, improving both clarity […]

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Compound Adjectives Hack: Hyphens & Numbers Made Easy

writer — Tue, 01 Sep 2026 13:13:29 +0000

1. Introduction to Compound Adjectives A compound adjective is a powerful vocabulary hack that lets you turn two or three separate ideas into one precise, professional phrase. Instead of writing basic sentences like: “Tom Cruise is an actor. He is well-known.” You can combine them into one polished sentence: “Tom Cruise is a well-known actor.” This lesson […]

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Enough Grammar: Before or After? Complete Guide

writer — Tue, 01 Sep 2026 13:07:10 +0000

1. Introduction to “Enough” The word “enough” is one of the most commonly used words in English. It means as much or as many as you need; it indicates sufficiency. Despite being a simple word, many English learners misuse it. The most common mistake is putting “enough” in the wrong position in a sentence. The good news is […]

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Past Tenses Diagnostic: Fix 8 Common Mistakes

writer — Tue, 01 Sep 2026 13:03:10 +0000

1. Introduction to the Past Tense Diagnostic The past tenses in English—past simple, past continuous, present perfect, and past perfect—are among the most frequently used structures in both speaking and writing. Yet they cause a great number of mistakes, even for advanced learners. This diagnostic lesson presents eight common errors across these four tenses. For each, you […]

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Modal Verbs: 3 Rules to Avoid Common Mistakes

writer — Mon, 31 Aug 2026 23:24:20 +0000

1. Introduction to Modal Verbs Modal verbs are among the most frequently used words in English. They help us express ability, possibility, permission, obligation, advice, and more. However, because modal verbs behave differently from regular verbs, many learners make mistakes with them. This lesson focuses on three simple rules that will help you avoid the most common […]

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At, On, In for Time: Triangle Method Explained

writer — Mon, 31 Aug 2026 16:22:06 +0000

1. Introduction to Prepositions of Time The prepositions at, on, and in are among the most frequently used words in English. When talking about time, many learners find them confusing because their usage differs from other languages. This lesson introduces a simple visual tool—the Triangle Method—to help you remember when to use each preposition for time. The Basic Rule Preposition […]

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Was and Were: Past Tense of Be Complete Guide

writer — Mon, 31 Aug 2026 16:15:07 +0000

1. Introduction to Was and Were The verb “to be” is one of the most important verbs in English. It describes states, conditions, locations, and identities. In the present tense, it has three forms: am, is, are. In the past tense, it has only two forms: was and were. This lesson will show you exactly when to use was and were, how to form […]

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Confusing Indefinite Pronouns: Singular or Plural?

writer — Sun, 30 Aug 2026 15:01:46 +0000

1. Introduction to Indefinite Pronouns Subject-verb agreement is a fundamental part of English grammar. A singular subject needs a singular verb, and a plural subject needs a plural verb. With regular pronouns like I, he, she, it (singular) and we, they (plural), the rule is usually clear. However, indefinite pronouns can cause confusion because some are always singular, some are always […]

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At, On, In for Place: The Triangle Method Explained

writer — Sun, 30 Aug 2026 14:18:40 +0000

1. Introduction to At, On, In for Place Prepositions of place—at, on, and in—are among the most frequently used words in English. They appear constantly in speech and writing when we describe where something is or where an action takes place. Many learners struggle with these three prepositions because their usage varies across languages. However, by using […]

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