Unit 2 Morals and Virtues Discovering Useful Structures 课件-2022-2023学年高中英语人教版（2019）必修第三册

Unit 2 Morals and Virtues Period 3 Discovering useful structures 1 The best portion of a good man's life is his little, nameless, unremembered acts of kindness and love. -William Wordsworth 非谓语动词 不定式to do 过去分词done 独立主格 现在分词doing 动名词doing 1.作定语 2.作表语 4.作状语 3.作宾补 现在分词 （现在分词动词ing形式作状语、宾补） The –ing form as the adverbial and object complement 1. To master the usages of -ing forms serving as the adverbial and object complement. 2.To use -ing forms freely as the adverbial and object complement in communication and writing. 6 Step 1. Lead-in 我们常说的现在分词和动名词是怎么回事？ 现在分词和动名词都是由动词末尾加 -ing 形式构成，因此统称为动词的 -ing 形式。 7 7 1. Climbing mountains is dangerous. 主语 2. My broyher always loves playing basketball after school. 宾语 3. His hobby is playing games. 表语 观察下面句子并分析画线部分在句中所作的成分   8 5. Looking down at her phone as she walked, she hit the door. 定语 4. 4. The man doing the live broadcast is called Li Jiaqi. 正在做直播的这位女士名叫乔碧萝。 状语 6. The head teacher saw Li Ming playing with smart phone in the classroom. 宾语补足语 定语 状语 9 Part One The –ing form as the Attributive (动词ing用作状语) 现在分词作状语（修饰动词）时, 可表时间、原因、条件、方式、伴随、让步等情况。 现在分词用作状语 1.现在分词作时间状语 现在分词作时间状语时，相当于时间状语从句。可在现在分词前加连词“when, while, until”等，使其时间 意义更明确。 Walking in the park,she saw an old friend. ＝When/while(she was)walking in the park,she saw an old friend. 当她在公园里散步时，她看到了她的一个老朋友。 2.现在分词作原因状语 现在分词作原因状语时，可转换为由since, because或as引导的原因状语从句，这类状语多放在句子的前半部分。 Being ill，he couldn't go to school. ＝As he was ill，he couldn't go to school. 3.现在分词作条件状语 现在分词作条件状语时，可转换为if, once或unless等引导的条件状语从句。 Working hard，you'll make great progress. ＝If you work hard，you'll make great progress. 4.现在分词作让步状语 现在分词作让步状语时，相当于一个以though/although引导的让步状语从句。 Working or reading，she always did her best. ＝Whether she worked or read，she always did her best. 5.现在分词作方式/伴随状语/结果状语 现在分词作方式，结果或伴随状语时，通常不能转换为状语从句，但可用并列分句代替。 I stood by the door，not daring to say a word. ＝I stood by the door，and didn’t dare to say a word. His parents died，l