verb tenses

Present Perfect in English: Form, Uses, and Past

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Grammar Lesson: Present Perfect

The present perfect connects the past to the present: an action happened at an unclear time but still matters now, or a situation started in the past and continues now. Two parts of this unit are about the form and about periods linked to now, one is about choosing based on finished time, and two … Read more

English Conditionals: Zero, First, Second, Third Type

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Grammar Lessons: Conditionals

Conditionals talk about what happens if something is true. The tense you choose shows how real you think the situation is: a fact, a real possibility, an imagined situation, or a past that cannot change. One part of this topic is about real situations, two are about unreal ones, and two mix both. This guide … Read more