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1、Unit 2 Fit for life Section Grammar & Writing语法图解探究发现Both of these medicines have proved beneficial to mankind since they were invented.Within a short time, aspirin became the bestselling medicine in the world for pain relief.He noted that a dish in which he was trying to grow bacteria for an ex
2、perimentlookedabnormal.Another drug that has helped increase the standard of peoples health is penicillin.Many people hasfallenill because of the cold weather.It turned outthat my judgement was right.It seems as if he has lost interest in his new job again.Pleasekeepsilent at the meeting unless your
3、e allowed to talk.我的发现(1)以上各句中的黑体词均为连系动词。连系动词本身有一定词义，但是不能单独作谓语。其中句中的be是最常用的连系动词。(2)句中的黑体词为“感觉感知”类连系动词。(3)句中的keep为“状态持续”类连系动词，而句、句和句中的黑体词为“主观判断”类连系动词。(4)句和句中的黑体词为“状态变化”类连系动词。一、系动词的分类1“状态持续”类系动词这类系动词表示主语某种状态的持续。常见的有：remain(依然)，keep(保持)，stay(保持)，lie(处于状态)等。I dont think we canstay friends.我认为我们不能做朋友了。Sh
4、e remained silent all night, and we were all worried about her.她整个晚上都沉默不语，我们都为她担心。Snow was lying thick on the ground.厚厚的积雪覆盖着大地。即时演练1完成句子我希望我的家人身体能够永远健康。I hope my_family_can_keep_fit forever.此事仍是一个谜。This matter remains_a_mystery.这名飞行员告诉所有乘客保持坐立姿势，飞机正在着陆。The pilot asked all the passengers on board to
5、_remain_seated as the plane was making a landing.四月份，成千上万的度假者由于火山灰的影响而被滞留在国外。(福建高考改编)In April, thousands of holidaymakers remained_stuck_abroad due to the volcanic ash cloud.2“主观判断”类系动词这类系动词包括seem(似乎是), appear(似乎，显得), prove(证明是), turn out(结果是，证明是)。In the eyes of our grandparents, his painting seemed
6、absurd.在我们的祖父母看来，他的画似乎是荒唐可笑的。He mayappeara fool, but actually hes quite clever.他看起来也许很傻，但实际上他很聪明。The oppositionprovedtoo strong for him.对手过于强劲，使他难以招架。名师点津(1)seem 和appear后可以接to do, to be doing以及to have done的形式，也可用于句型：It seems/appears that 主语其他。He seemsto have carriedout plenty of experiments.It seems
7、 that he has carried out plenty of experiments.他好像做了很多实验。(2)seem后还可以接as if/as though引导的表语从句。根据语境的不同，从句可用陈述语气或虚拟语气。It seems as ifhehas finished the work.他好像已经完成了这项工作。It seems as ifit werespring already.好像已经是春天了。即时演练2(1)用所给词的适当形式填空(重庆高考改编)The engine just wont start.Something seems to_have_gone (go) wr
8、ong with it.(重庆高考改编)Look at the pride on Toms face.He seems to_have_been_praised (praise) by the manager just now.(2)完成句子他说他的计划结果是成功的。He said his plan turned_out_a_success.在我看来这似乎是最好的解决方法。It_seems_to_me that it is the best solution.我们原以为考试会很难，但结果它很容易。We had thought the exam would be difficult, but i
9、t_proved/turned_out_easy.3“感觉感知”类系动词这类系动词是与五种感觉器官相关的动词。常见的有：look(看起来), feel(摸上去), smell(闻起来), taste(尝起来), sound(听起来)等。What he says soundsreasonable.他的话听起来有道理。These flowers smellvery sweet.这些花闻起来很香。即时演练3完成句子这种布料摸起来很软。This kind of cloth feels_soft.一些人用眼睛来吃饭，他们喜欢点看上去好的饭菜。Some people eat with their eyes
10、. They prefer to order what_looks_nice.我不想听起来像个愚蠢的人，但我只想证明自己。I dont want to_sound_like_a_fool,_but I only want to prove myself.4“状态变化”类系动词这类系动词表示主语从一种状态进入另一种状态。常见的有：become(变得), turn(变成), grow(渐渐), go(变得，变成), fall(变成，进入), get(变得)等。Our state is gettingstronger and stronger.我们的国家变得越来越强大了。The weather ha
11、s turnedcold and windy.天气变得寒冷多风。Since she eats a lot every day, she is becomingfatter and fatter.因为她每天都吃很多，所以她变得越来越胖了。名师点津(1)turn后接名词时，名词前通常使用零冠词。(2)go常指情况往坏处转变，后多接贬义词。Heturned doctorafter graduating from a medical college. He became a doctorafter graduating from a medical college.他从医学院毕业后当了医生。即时演练4
12、完成句子你不让这个孩子上网，他会发疯的。The boy will_go_mad if you dont allow him to surf the Internet.秋天，树叶开始发黄。In autumn, leaves begin to_turn_yellow.一听到煤矿发生事故的消息，她的脸色变得苍白。On hearing the news of the accident in the coal mine, she_went_pale.二、使用系动词时应注意的问题1有些系动词与表语已成固定搭配。keep silent保持安静stand still 站着不动go mad 发疯go hungr
13、y 挨饿fall asleep 入睡lie awake 睡不着fall ill 生病come true 变成现实，实现2少数系动词feel, get, become, grow等可用于进行时态，表示“渐渐”之意或表示一种感情色彩。Winter is coming, and it is getting/becomingcolder and colder.冬天来了，天气越来越冷了。Are you feelingbetter now?你现在好点了吗？3有些动词既可以作连系动词，又可作实义动词。遇到这种情况时，只能先根据其意思判断到底是前者还是后者，然后再对后面的词性和词义做出判断。以feel一词为例
14、：Ifeltit my duty to help others.(feel作实义动词)我觉得帮助他人是我的职责。I felt very hungry after a long walk.(feel作连系动词)走了很长的一段路后，我感到很饿。4连系动词无被动语态，且一般不用于进行时态中。prove及感官类连系动词用主动形式表示被动意义。As time went on, his theoryproved true.随着时间的推移，他的理论证明是正确的。名师点津有些连系动词从形式上看像进行式，实际上并不表示动作正在进行，而是表示“渐渐”的意思或一种感情色彩。Its getting dark.天慢慢暗
15、下来。5连系动词后可接过去分词作表语，相当于被动语态。The suggestion got countered at the conference.会上，那一提议遭到了抵制。即时演练5用所给词的适当形式填空Suddenly he fell (fall) ill and ran a high fever.Mr Jones turned (turn) headmaster last year.The surface of the table feels (feel) smooth.The interview only took ten minutes, but it felt (feel) like hours.I think the food tastes (taste) delicious.用所给词的适当形式填空1(江苏高考改编)My parents have always made me feel
