A garden of poems（The Fifth Period）

the fifth period
grammar: the past participle used as adverbial
teaching aims:
1. enable the students to master the usage of the past participle when it is used as adverbial.
2. enable the students to master the transformation between the past participle phrase and the adverbial clause.
teaching important points:
1. how to use the past participle
2. how to tell the difference between the present participle and the past participle.
teaching difficult point:
how to choose the present participle and the past parthciple.
teaching methods:
1. comparision method to get the students to know how to use the participle clearly.
2. discussion method to get the students to master what they've learned.
3. pair work or group work to make the students active in class.
teaching aids:
1. a computer
2. a projector
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