高中英语 Unit 3 Life in the future Section Ⅲ Grammar学案 新人教版必修5-新人教版高二必修5英语学案

Section Ⅲ Grammar 过去分词(短语)作状语语 境 自 主 领 悟先观察原句后自主感悟1.Worried about the journey，I was unsettled for the first few days.2.Wellknown for their expertise，his parents' company，called “Future Tours”，transported me safely into the future in a time capsule.3.Hit by a lack of fresh air，my head ached.4.Exhausted，I slid into bed and fell fast asleep.1.例句 1、3、4 中的过去分词短语在句中作原因状语。2.例句 2 中的过去分词短语在句中作伴随状语。 一、过去分词(短语)作状语，表示被动或完成的动作可以表示时间、原因、条件、让步、方式或伴随情况等。1．作时间状语过去分词作时间状语时，相当于一个 when，while，after，once 等引导的时间状语从句。Once published(＝Once it is published)，the dictionary will be very popular.一旦出版，这本词典将大受欢迎。2．作原因状语过去分词作原因状语时，相当于一个 as，since，because 等引导的原因状语从句。Absorbed in painting(＝Because John was absorbed in painting)，John didn't notice evening approaching.由于专心画画，约翰没有注意到夜幕正在降临。3．作条件状语过去分词作条件状语时，相当于一个 if，unless 等引导的条件状语从句。Given another hour(＝If I am given another hour), I can also work out this problem.如果再给我一个小时，我也能把这道题算出来。4．作让步状语过去分词作让步状语时，相当于一个 though，although，even if/though 等引导的让步状语从句。Beaten by the opposite team(＝Though we were beaten by the opposite team)，we didn't lose heart and encouraged each other.虽然被对方的队打败了，但我们并没有灰心而是相互鼓励。5．作方式或伴随状语过去分词作方式或伴随状语时，可以转换成一个并列句。The old man got on the bus，supported by a girl(＝and he was supported by a girl)．在一位姑娘的搀扶下，老人上了公共汽车。过去分词作状语的注意事项(1)过去分词作状语时，其前面可以带有相应的连词，如 when，though，although，as if，as though，if，unless，until，once 等，表时间、让步、条件、方式等。If (I am) invited，I will...