Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: [ Ссылка ]
David and Paige tackle the great comma debate of our time: Oxford comma or no Oxford comma?
Missed the previous lesson? [ Ссылка ]
Grammar on Khan Academy: Grammar is the collection of rules and conventions that make languages go. This section is about Standard American English, but there's something here for everyone.
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
For free. For everyone. Forever. #YouCanLearnAnything
Subscribe to Khan Academy’s Grammar channel: [ Ссылка ]
Subscribe to Khan Academy: [ Ссылка ]
