‘By’ is such a small word, but it’s not simple! In this lesson, I’ll show you many different ways to use ‘by’ as a preposition. I will teach you through specific examples and situations so that it’s not just theoretical. For advanced English learners, I’ll also teach you prepositional phrases with ‘by’, such as ‘by appointment only’. Using these prepositional phrases is a great way to elevate your English to a more sophisticated level.