English Grammar: How to use "to" before an "-ing" verb

In this lesson, I explain how and when we use "to" before a verb with the "-ing" ending. The use of "to" before an "-ing" verb is not always correct. But it is correct in a particular case to express an emotion or action happening in the present referring to a past or future event. If this sounds complicated, have no fear! It is a simple structure once you understand how it works. And if you do our quiz at http://www.engvid.com/english-grammar-how-to-use-to-before-an-

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