1、Unit-3-Family-life-課件-優(yōu)質(zhì)公開課-上教9上精品Unit-3-Family-life-課件-優(yōu)質(zhì)公開課-上教定義系動詞，亦稱連系動詞（Link Verb）。作為系動詞，它本身有詞義，但不能單獨用作謂語，后邊必須跟表語，亦稱補語（形容詞），構(gòu)成系表結(jié)構(gòu)說明主語的狀況、性質(zhì)、特征等情況。分類: 狀態(tài)系動詞；持續(xù)系動詞；表像系動詞 感官系動詞；變化系動詞；終止系動詞 Linking verb定義系動詞，亦稱連系動詞（Link Verb）。作為系動詞，狀態(tài)系動詞 be用來表示主語性質(zhì)或狀態(tài)，只有be一詞 He is a teacher. He is ill. (表示主語的狀態(tài))連系

2、動詞 be 后根據(jù)情況可自由地接不定式作表語： My dream is to be a scientist. All you have to do is to listen. 狀態(tài)系動詞 be用來表示主語性質(zhì)或狀態(tài)，只有be一詞表像系動詞用來表示“看起來像”這一概念，主要有seem, appear, look, 例如：He looks tired. He seems (to be) very sad. She appears 18. But in fact, she is already 28.表像系動詞用來表示“看起來像”這一概念，主要有seem, a持續(xù)系動詞用來表示主語繼續(xù)或保持一種狀況

3、或態(tài)度，主要有keep，remain，stay，lie，stand，continue。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 thick on the ground.持續(xù)系動詞用來表示主語繼續(xù)或保持一種狀況或態(tài)度，主要有ke注意：(1)表示“仍然處于原來的狀態(tài)”時，remain和stay可以互

4、換，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. 注意：(1)表示“仍然處于原來的狀態(tài)”時，remain和st(2)表示“需要設(shè)法才能保持某種狀態(tài)”時，可用keep和stay。后常接的形容詞有calm， clean，awake，young，warm，fine等。例如

5、：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. (2)表示“需要設(shè)法才能保持某種狀態(tài)”時，可用keep和st感官系動詞感官系動詞主要有feel，smell，sound, taste，look。例如： This kind of cloth feels very soft. This flower smells very

6、 sweet. The music sounds nice.The fish tastes good.感官系動詞感官系動詞主要有feel，smell，sound變化系動詞 這些系動詞表示主語變成什么樣，變化系動詞主要有become，grow，turn，fall，get，go，come，run。 go和come 是一對相反的詞。go+ adj.表示令人不愉快的事；come+ adj.表示好的事情，還可以接前綴un-的過去分詞作表語，表示變化的情況。 go blind/ mad/ hungry/ bad come true/ right/ clear/ dear/ unstuck/ untiedH

7、is dream to be a pilot has come true.My shoelaces have come undone.She went blind at the age of 8.變化系動詞 這些系動詞表示主語變成什么樣，變化系動詞主要有brun后接 short，dry，low，deep等形容詞，主語為流動性的或能消耗掉的東西。Their money was running short.The well has run dry.但表語為wild時，主語是人；run wild(放蕩不羈）Dont let the children run wild. grow常指逐漸的變化，表示身

8、高、歲數(shù)的增長。My little brother has grown much taller in the past year. She grew thinner and thinner. Soon the sky grew light.run后接 short，dry，low，deep等形容詞，主turn表示“變得”,指變?yōu)榕c原先不同的情況,通常指顏色和天氣等變化。The weather suddenly turned much colder. Her face turned blue with fear.She turned teacher after graduation. get “變

9、成,變得起來”,后可接形容詞,分詞,介詞短語;接不定式時表示“由不變得”。The days are getting longer and longer.He got excited about it.My watch gets out of order.turn表示“變得”,指變?yōu)榕c原先不同的情況,通常指顏色和天 fall接asleep, silent, quiet等靜態(tài)形容詞和表示疾病的形容詞，但不能接形容詞的比較級。While I was doing my homework, my little sister fell asleep.She fell ill from cold.The n

10、aughty boy fell silent suddenly. fall apart(散開) fall flat (沒效果) fall接asleep, silent, quiet等靜態(tài) become “變成；變?yōu)椤?好壞均可),語氣正式,且不能用于將來時態(tài),強調(diào)結(jié)果。表人的身體狀況,情緒,天氣和社會變化時可與get互換使用。He became a lawyer.I became/ got interested in math.He became/ got angry with me.I hope you will become/ get well. become “變成；變?yōu)椤?好壞均可),

11、語氣正式,且不能注意：1. become，turn，go，get，fall后面能接名詞作表語，其他則不能。turn和go后面的名詞不帶冠詞。His dream has become/ got a reality.He has turned scientist.She has gone artist.He fell an victim to cancer.2. 表變化的系動詞用于進行時態(tài)時，表示逐漸的變化。The days are getting/ becoming longer and longer.She is growing to be more and more like her mother.注意：1. become，turn，go，get，fall后終止系動詞表示主語已終止動作，主要有prove, turn out, 表達“證實”