There are some folks out there who love learning about grammar for the sake and satisfaction of just getting it right. Other ...

A syntactic rule copies the polar value of the feature to the empty feature position form the quantifier. We thus get the following related forms: The rules of English morphology apply to the singular ...

Check and improve your grammar with our basic grammar reference guide. On this page you'll find links to our basic grammar summary pages. Each basic grammar reference page covers a key grammar ...

In Level 4, the entire scope and sequence is organized around the types of essays students write in college, and focuses on the grammar rules, conventions, and structures needed to master them.

The world's best-selling grammar series for learners of English. A reference and practice book for learners of English at advanced (C1-C2) level. Perfect for self-study, but also ideal for ...

Tennis is a game played on a rectangular court by either two players (singles) or four (doubles). Players stand on opposite sides of a net and use a stringed racket to hit a ball back and forth to ...

You probably already know how to use Netflix's core features, but we're willing to bet you don't know all these clever tricks ...

Whether or not that matters at all is a question of opinion. The same goes for another grammar rule I had no idea hundreds of years of writing brought in, and the computer took out ― double spacing ...