Unit21Theusageofingform课件
日期：2010-08-24 08:49
The usage of –ing form
表示主动的或正在进行
的动作或状态
Attribute(定语)
Object Complement(宾语补足语)
Subject (主语)
Predicative(表语)
Object(宾语)
Adverbial(状语)
Walking is good for everyone
2 Our job is playing all kinds of music
3 We shall appreciate hearing，
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