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 introduce mainly to make the meaning of C easier to understand.

Introductory “it” can fill the position both of the subject and object.

Introductory “it” as a subject:

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.

Jumat, 26 Februari 2010 Posted in | | 0 Comments »

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