高二英语必修五第三单元语法过去分词作状语
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Unit 3 重点单词1. impression n. 印象;感想;印记(1) n.make/leave a(n)..... impression on/upon给……留下..... 的印象He left a good impression on me.(2)vt.impress使印象深刻;使铭记;打动impress sb with sth某事(物)给某人留下深刻印象The girl impressed her friends with humor.be impressed by/with对……印象深刻;某事(物)给某人留下深刻印象I'm deeply impressed by the scenery. impress on sb sth= impress sth on sb 某事(物)给某人留下深刻印象; 使某人牢记,注意到某事(物)My father impressed on me the value of hard work.= My father impressed the value of hard work on me.父亲让我铭记努力工作的重要性。
(3)adj. impressive 给人印象深刻的;感人的The film was so impressive that we couldn't help crying.2.take up(1)拿起He takes up a pen and writes down his name.(2)接受In order to get the job, I have to take up his suggestion.(3)开始(从事);学着(做)I have take up teaching since I graduated from university.(4)占据(时间,空间等)Writing the paper took up most of the time. 写那篇论文占去了周末的大部分时间。
Unit3 单元语法详解过去分词作状语归纳语法过去分词作状语,其逻辑主语与句子主语一致,句子主语与过去分词所表示的动作之间存在逻辑上的被动关系。
过去分词作状语时一般与句中其他成分用逗号隔开,可以表示时间、原因、条件、方式、伴随状况等。
1. 表示时间。
相当于when,while等引导的时间状语从句。
Asked what had happened(=When he was asked what had happened) , he lowered his head.当被问到发生了什么事情的时候,他低下了头。
2. 表示原因。
相当于because,since,as等引导的原因状语从句。
Absorbed in painting(=As he was absorbed in painting) , John didn't noticeevening approaching.由于在全神贯注地画画,约翰没有察觉到夜幕降临了。
3. 表示条件。
相当于if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. 表示让步。
相当于although,though,even if,even 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,但我们并没有灰心并且相互鼓励。
5. 表示方式或伴随。
The woman scientist entered the lab, followed by her assistants.这位女科学家进入了实验室,后面跟着她的助手。
[语法初识]原句感知自主探究1.①Worried about the journey, I wasunsettled for the first few days.②Given better attention, the trees could grow better.③Described as an enormous round plate, it spins slowly in space to imitate the pull of the earth’s gravity.2.①Hit by a lack of fresh air, my head ached. (1)作状语用的过去分词(短语)和句子的主语之间是逻辑上的动宾关系,或称为被动关系。
(2)第一组句子中的过去分词(短语)分别在句子中作:①原因状语;②条件状语;③伴随情况或方式状语。
=Because I was hit by a lack of fresh air,my head ached.②I stared at the moving model of the waste machine, absorbed by its efficiency.=I stared at the moving model of the waste machine, and was absorbed by its efficiency. 3.①When offered help, one often says“Thank you”or“It’s kind of you.”②The research is so designed that once begun nothing can be done to change it. (3)比较第二组句子可知,作状语用的过去分词(短语)可以转化成相应的状语从句或并列句。
(4)从第三组句子可知,表示时间、条件、方式、比较或让步的状语,可用“从属连词+过去分词”结构。