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aged. 由于被同桌打敗,他感到氣餒。Point 2 作原因狀語,相當(dāng)于because,since,as 引導(dǎo)的原因狀語從句。He went through the papers while having breakfast(= while he was having breakfast).他邊吃早飯邊看報紙。The book is very hard to understand. 這本書很難理解?!咎貏e注意】easy, difficult, hard, cheap, expensive, fit, fortable, heavy, good 等形容詞表示主語的特征或性質(zhì),后面接不定式作狀語時,不定式和句子主語之間存在被動關(guān)系,但常用主語形式表示被動意義。Tom was very happy to see his mother.湯姆看到她的媽媽很高興。Point 3 作原因狀語。(表示出乎意料的結(jié)果)Mary is too tired to do the job.瑪麗太累了,做不了這項工作。Only/just to do 表示意想不到的結(jié)果Enough to do 足夠做...Too...to do 太...而不能.....So/such... as to...如此...以至于....I went to see him last night only/ just to find him out.我昨晚去找他。Point 2 作結(jié)果狀語。The bus stopped so as to pick up passengers.公交車停下來以便搭載乘客。Mike had to shout to make himself heard above the sound of the music.麥克不得不大聲說話,以便能在如此大的音樂下被別人聽見。分考點 1 不定式作狀語Point 1 做目的狀語,意為“為了”,可以單獨放在句首、句中或句末。To pass the college entrance exam, we must work hard.為了通過大學(xué)入學(xué)考試,我們必須努力學(xué)習(xí)?!咎貏e注意】也可用in order to 或so as to 表示目的,但so as to 不能用于句首。He got up early in order to catch the first bus.他早起是為了趕上第一版公交車。常表示令人意外的結(jié)果。結(jié)果發(fā)現(xiàn)他出去了。He is old enough to go to school.他到上學(xué)的年齡了。常用在表示情感或態(tài)度的sorry, surprised, disappointed, excited, glad,happy 等形容詞后,常用結(jié)構(gòu)為“主語+系動詞+形容詞+to do”。I was surprised to find him here.發(fā)現(xiàn)他在這里我很開心。English is easy to learn. 英語學(xué)起來很容易。分考點2 分詞作狀語形式意義Doing主動,進(jìn)行Having doing主動,完成Done被動,完成;用作形容詞,表狀態(tài)Being done被動,進(jìn)行,意為“正在被做”Having been done被動,完成Point 1 作時間狀語,常用在when, while,before,since,as引導(dǎo)的原因狀語從句中。When pleted(= when it is pleted), the road will be open to the public.這條路在竣工后會正式通車。Not understanding this, he asked the teacher about.= Because he didn’t understand this,he asked the teacher about it.因為不理解,關(guān)于那個問題他問了老師。Point 3 作條件狀語,相當(dāng)于if, unless引導(dǎo)的條件狀語從句。Given more time, I can finish the work. = If I am given more time, I can finish the work.如果多給我點時間,我就能完成這項工作。常用現(xiàn)在分詞表示自然而然的結(jié)果,分詞前可接thus。The fire lasted nearly a month, leaving nothing valuab