Unit5 Languages Around The World Discovering Useful Structures课件ppt （新教材）高中英语人教版（2019）必修第一册.pptx

1、Discovering Useful Structure过去分词作表语和状语Lead inHow much do you know about past participle?Learning aims:1)To understand the concept of past participle2）To identify and use past participle as averbial and predicative.Study and think independently 5)1)Look at the following content in Task1&2 on book P91

2、.2)To find out the concept of past participle as averbial and predicative.3)To find out the key and difficult points.To find out the points you dont understand.作作状语状语：1.过去分词作状语的最基本特点：(1)Written in a hurry,this article was not so good!他文章写得匆忙，这篇文章不是很好。(2)Lost/Absorbed in deep thought,he didnt hear th

3、e sound.沉浸于思考之中，他没听到那个声音。(3)Born in this beautiful town,he hates to leave it.出生于这个美丽的小镇，他不愿离开它。过去分词作状语的最基本特点(1)过去分词作状语表示被动被动和完成完成。(2)有些过去分词因来源于系表结构，作状语时不表被动而表主动。例如：lost;seated;hidden;stationed(驻扎);lost/absorbed in(沉溺于);born;dressed in(穿着);tired of(厌烦)二、过去分词作状语时的逻辑主语(1)Given another hour,I can also w

4、ork out this problem.再给我一个小时，我也能解出这道题。(2)Seen from the top of the hill,the city looks more beautiful.从山顶俯视，这座城市看起来更漂亮。(3)The signal given,the bus started.信号一发出，汽车就开动了。过去分词作状语时的逻辑主语过去分词作状语时的逻辑主语(1)过去分词作状语时其逻辑主语为主句的主语，此时应注意人称一致。(2)如果过去分词作状语时，前面再加逻辑主语，主句的主语不再是分词的逻辑主语，这种带逻辑主语的过去分词结构实际上属于独立主格结构。过去分词作状语的由

5、来 Caught in a heavy rain,he was all wet.=Because he was caught in a heavy rain,he was all wet.catch-caught-caught 因为淋了一场大雨，所以他全身湿透了。（1）过去分词作状语来源于状语从句（2）状语从句改成过去分词作状语时有时还可以保留连词，构成“连词+过去分词”结构作状语。过去分词作状语的位置Moved to tears,he stood there sliently.=He stood there silently,moved to tears.他静静地站在那里，被感动得热泪盈眶。

6、过去分词可放在主句前作句首状语，后面有逗号与主句隔开；也可放在主句后面，前面有逗号与主句隔开。基础盘点：（1）warned (2)Seen (3)Seeingself-learning guidance:(8)1)To make the instructions.2)To finish some exercises.3)To mark the check points.4)To check the answers.please finish exercise 1 on textbook P92变式训练：(1)adding (2)attended (3)playing (4)following(

7、5)Caught (6)fixed (7)making (8)moved(9)changed (10)to finish (11)painted (12)puzzled(13)speaking作作表语表语：1.过去分词作表语的构成：(1)I am interested in English.我对英语感兴趣。(2)She is married.她已经结婚了。(3)You seem frightened.你看样子受了惊吓。区别“系动词+过去分词（系表结构）”和“系动词+过去分词（被动语态）”（1）作表语的过去分词主要来自及物动词，在主-系-表结构中，说明主语所处的一种状态。（2）系动词有包括be

8、在内的多种形式。过去分词做表语，在功能上更接近形容词。（1）做表语用的过去分词多半用来表示人物心理状态或情感变化，其主语大多是人。常见的有：delighted,devoted,discouraged,astonished,satisfied等。这种结构中的过去分词前可加quite,very,rather等修饰词。（2）被动语态表示动作，强调动宾关系，绝大多数被动结构中的行为执行者还可以用by短语来表示。eg:The naughty boy was criticised by his parents.那个淘气的男孩被他的父母批评了。Self-learning guidance:(8)1)To m

9、ake the instructions.2)To finish some exercises.3)To mark the check points.4)To check the answers.please finish exercise on textbook P93变式训练：（1）frightened;frightening (2)exciting;excited (3)encouraging;encouraged (4）moving;movedSummary:过去分词作状语:1.过去分词作状语表示被动被动和完成完成.2.2.过去分词作状语时其逻辑主语为主句的主语，此时应注意人称一致。过去分词作表语:1.做表语用的过去分词多半用来表示人物心理状态或情感变化，其主语大多是人.2.被动语态表示动作，强调动宾关系，绝大多数被动结构中的行为执行者还可以用by短语来表示。Thanks