2019-2020学年人教版高中英语选修7同课异构课件：Unit 3 Under the sea 单元小节同课异构（1）-302edu教育资源网

1. Master the grammar. 2. Use the correct form of the passive of V-ing form.

1. The passive of V-ing form 2. Help the students to use the passive infinitive correctly in different situations.

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