Videowhich

The word which is a fundamental part of English grammar, acting as a bridge for both asking questions and providing essential descriptions. While many learners use it to select an item from a group, its role as a relative pronoun allows you to add layers of detail to your sentences. Understanding how it functions as a determiner can also help you identify specific people or objects with much greater precision. Do you know when to use which instead of what? The difference often depends on whether your options are limited or unknown. We also explore how this word behaves in formal settings, such as when it follows a preposition, and look at common idioms that describe being certain of your interests. Watch the full lesson to master these nuances and improve your fluency.