1、上教版九年级英语上册课件Unit-3-Family-life-定义定义 系动词，亦称连系动词（系动词，亦称连系动词（Link Verb）。作为）。作为系动词，它本身有词义，但不能单独用作谓系动词，它本身有词义，但不能单独用作谓语，后边必须跟表语，亦称补语（形容词），语，后边必须跟表语，亦称补语（形容词），构成系表结构说明主语的状况、性质、特征构成系表结构说明主语的状况、性质、特征等情况。等情况。分类分类:状态系动词；持续系动词；表像系动词状态系动词；持续系动词；表像系动词 感官系动词；变化系动词；终止系动感官系动词；变化系动词；终止系动词词 Linking verb状态系动词状态系动词 be
2、用来表示主语性质或状态，只有用来表示主语性质或状态，只有be一词一词 He is a teacher.He is ill.(表示主语的状态表示主语的状态)连系动词连系动词 be 后根据情况可自由地接不定式作后根据情况可自由地接不定式作表语：表语：My dream is to be a scientist.All you have to do is to listen.表像系动词表像系动词 用来表示用来表示“看起来像看起来像”这一概念，主要有这一概念，主要有seem,appear,look,例如：例如：He looks tired.He seems(to be)very sad.She appe
3、ars 18.But in fact,she is already 28.持续系动词持续系动词 用来表示主语继续或保持一种状况或态度，用来表示主语继续或保持一种状况或态度，主要有主要有keep，remain，stay，lie，stand，continue。例如：。例如：He always kept silent at meeting.This matter remains a mystery.It continued/remained rainy for days.He stood quite still,except his lips moved slightly.The snow lay
4、thick on the ground.注意：注意：(1)表示表示“仍然处于原来的状态仍然处于原来的状态”时，时，remain和和stay可以互换，例如：可以互换，例如：Three of them remained/stayed single.Shops should remain/stay open till later in the evening.The door stayed/remained closed.But the police themselves prefer to stay/remain unarmed.(2)表示表示“需要设法才能保持某种状态需要设法才能保持某种状态”时
5、，时，可用可用keep和和stay。后常接的形容词有。后常接的形容词有calm，clean，awake，young，warm，fine等。例如：等。例如：She knew she must keep/stay calm.Although they have many difficulties,they keep happy.Paul managed to keep/stay awake by drinking lots of strong black coffee.感官系动词感官系动词 感官系动词主要有感官系动词主要有feel，smell，sound,taste，look。例如：。例如：Thi
6、s kind of cloth feels very soft.This flower smells very sweet.The music sounds nice.The fish tastes good.变化系动词变化系动词 这些系动词表示主语变成什么样，变化系动词主要有这些系动词表示主语变成什么样，变化系动词主要有become，grow，turn，fall，get，go，come，run。go和和come 是一对相反的词。是一对相反的词。go+adj.表示令人不愉快的表示令人不愉快的事；事；come+adj.表示好的事情，还可以接前缀表示好的事情，还可以接前缀un-的过去的过去分词作表
7、语，表示变化的情况。分词作表语，表示变化的情况。go blind/mad/hungry/bad come true/right/clear/dear/unstuck/untied His dream to be a pilot has come true.My shoelaces have come undone.She went blind at the age of 8.run后接后接 short，dry，low，deep等形容词，主等形容词，主语为流动性的或能消耗掉的东西。语为流动性的或能消耗掉的东西。Their money was running short.The well has
8、run dry.但表语为但表语为wild时，主语是人；时，主语是人；run wild(放荡不放荡不羁）羁）Dont let the children run wild.grow常指逐渐的变化，表示身高、岁数的增长。常指逐渐的变化，表示身高、岁数的增长。My little brother has grown much taller in the past year.She grew thinner and thinner.Soon the sky grew light.turn表示表示“变得变得”,指变为与原先不同的情况指变为与原先不同的情况,通通常指颜色和天气等变化。常指颜色和天气等变化。Th
9、e weather suddenly turned much colder.Her face turned blue with fear.She turned teacher after graduation.get“变成变成,变得变得起来起来”,后可接形容词后可接形容词,分词分词,介介词短语词短语;接不定式时表示接不定式时表示“由不由不变得变得”。The days are getting longer and longer.He got excited about it.My watch gets out of order.fall接asleep,silent,quiet等静态形容词和表示疾
10、病的形容词，但不能接形容词的比较级。While I was doing my homework,my little sister fell asleep.She fell ill from cold.The naughty boy fell silent suddenly.fall apart(散开)fall flat(没效果)become“变成；变为变成；变为”(好坏均可好坏均可),语气正式语气正式,且不能用于将来时态且不能用于将来时态,强调结果。表人的身体强调结果。表人的身体状况状况,情绪情绪,天气和社会变化时可与天气和社会变化时可与get互换使互换使用。用。He became a law
11、yer.I became/got interested in math.He became/got angry with me.I hope you will become/get well.注意：注意：1.become，turn，go，get，fall后面能接后面能接名词作表语，其他则不能。名词作表语，其他则不能。turn和和go后面的名词后面的名词不带冠词。不带冠词。His dream has become/got a reality.He has turned scientist.She has gone artist.He fell an victim to cancer.2.表变化的
12、系动词用于进行时态时，表示逐渐的表变化的系动词用于进行时态时，表示逐渐的变化。变化。The days are getting/becoming longer and longer.She is growing to be more and more like her mother.终止系动词终止系动词 表示主语已终止动作，主要有表示主语已终止动作，主要有prove,turn out,表达表达“证实证实”，“变成变成”之意，例如：之意，例如：The rumor proved(to be)false.The search proved(to be)difficult.His plan turned out(to be)a success.Thank you!Thank you!
