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《Grammar and usage(1)： Overview： infinitive, verb-ing and verb-ed(I)》集体备课教案优质课下载
Master the usage of Nonfinite verbs used as predicative.
Teaching Aids: Multi- media equipment
Teaching Procedures:
Step I: Greetings
Step II: Introduction of Nonfinite verbs& the classification of Nonfinite verbs
不定式 to do
分词 现在分词 doing
过去分词 done
动名词 doing
Step III: Identification of Nonfinite verbs
一个句子当中，已经存在一个主句（谓语动词）,又没有连词的情况下, 还有别的动词出现时,这些动词就充当了非谓语动词.
Step IV: Nonfinite verbs used as subject and predictive
非谓语动词作主语
(1)动名词作主语
Hearing how others react to the book you have just read creates an added pleasure.
It is no use crying over spilt milk.(动名词短语作主语，it作形式主语)
(2)不定式作主语
To see is to believe.＝Seeing is believing.
It is important to respect people.(不定式短语作主语，it作形式主语)
Exercises
非谓语动词作表语
(1)动名词作表语时，说明主语的内容。
The queen’s work is laying eggs.
(2)不定式作表语时，说明主语尚未发生的动作，或表示将来的动作。
His ambition is to go to Harvard University.