Grammar

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What is the difference between lay and lie?

image-1336Many of my students in Medellin have asked me what the difference is between lay and lie. Even native speakers from around the world do not know how to use lay and lie properly. In this quick lesson Andrew goes over the meaning and the use of lay and lie followed by a small quiz.

In at on – Prepositions

image-1232Mastering prepositions in English is not an easy task. Even native speakers have a hard time. In this quick lesson I go over the usage of the in, at, and on prepositions in relation to time.

What is the Difference Between Who and Whom?

image-1178The use of who and whom is becoming less and less important in spoken English, but in written English it is very important. Especially if you are preparing for an exam like the IELTS or TOEFL. In this lesson I go over the use of who and whom in a very easy to understand way.