In this free online English grammar course, you will first learn how the prepositions 'in', 'at', and 'on' depend on the time you're talking about. You will learn to use 'at' for the time of day, 'on' for days and dates, and 'in' for longer periods of time. The course will also teach you to use 'in' to refer to positions and places, 'at' to refer to being close or beside a particular place, and 'on' to refer to being physically on top of something or doing something.

Next, you will learn to use 'in' to refer to positions and places and 'into' to indicate moving from one place to another place. You will study the use of the preposition 'by' to say how you do something, how you travel, and to say that something is done by somebody. Finally, you will learn that 'by' can also mean 'beside' or 'next' to something and that it can be used for indicating numerical calculations.

This Intermediate level English grammar course will make sure that you know your prepositions and eliminate guesswork moving forward. Its easy-to-understand outline, interactive learning content, and audio recordings by native speakers will also ensure that you enjoy the learning process. You will also develop your listening skills and make noticeable advancements in your personal and career goals. So, have a look at the course now and start learning your English prepositions today!