Senin, 16 April 2012

Introductory It



A :     To understand this lesson is easy.
B :     It    is easy to understand this lesson.

•          In this pattern, it has no meaning. It is used only to fill the subject position in the sentence. Thus, it is called introductory “it”.
•          A and B mean the same thing, but sentence B is more common and useful than A. A was introduced mainly to make the meaning of B easier to understand.  
Example of Introductory “it” : 

•          To watch musical programs is pleasant.
•          It is pleasant to watch musical program.
•          To play football must be fun.
•          It is fun to play football

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