Unit 2 Morals and virtues Discovering useful structures 课件-2023-2024学年高中英语人教版（2019）必修第三册

现在分词做状语 Unit2 Morals and virtues Discovering useful structures The verb----ing form as adverbial 现在分词 结构 doing Having done Being done Having been done Fill in the blanks 现在分词的时态语态 一般式 完成式 主动 被动 doing having been done having done being done Review 现在分词 成分 表语 定语 宾补 状语 现分作状语 现分 伴随 时间 原因 结果 条件 让步 1. 现在分词短语作伴随状语置于句首或句末 Step 1 伴随状语 2. 现在分词作状语，表伴随，即现在分词与谓语动词两个动作同时发生。 He sits on the bank and he is sleeping. = He sits on the bank,_________. sleeping 1. They stood there and __________(talk) to each other. 2. They stood there ,__________(talk) to each other. 3.They ____________ (sing and laugh); they came into the classroom. 4. ____________ (sing and laugh) they came into the classroom. talked talking sang and laughed Singing and laughing Exercises 总结：现在分词 作时间状语，相当于一个_________。(注意时间先后) -ing短语作时间状语要置于句首。 Step 2 时间状语 时间状语从句 When I was listening to the music of this TV drama, I felt a little frightened. = ________to the music of this TV drama, I felt a little frightened. Listening After I had watched the plot(情节) of this TV drama, I really wanted to cry. = ________________the plot of this TV drama, I really wanted to cry. Having watched 1)Hearing the bad news, they couldn’t help crying. =When __________ the bad news, they couldn’t help crying. they heard Exercises 2) After I had received his letter, I decided to write back. = ________________ his letter, I decided to write back. Having received Step 3 原因状语 (1). 现在分词作原因状语， 置于句首 (2). 现在分词作原因状语，相当于一个_____________。 原因状语从句 Because she believed that he murdered(谋杀) her parents, she killed him. _________that he murdered her parents, she killed him. Believing As he has been informed of his mother’ death, he crys sadly. = ____________ informed of his mother’ death, he crys sadly. Having been 1) Being so angry, he couldn’t go to sleep. =Because _________ so angry, he couldn’t go to sle