连系动词（即系动词）用于连接主语和表语，说明主语的状态，性质，特征或身份。表语通常由名词、形容词，或相当于名词或形容词的词或短语等充当，说明主语是什么或怎么样。 常见的系动词是be,它的变化形式为：am/is/are/was/were . 除了 be 动词,其他的系动词（半系动词）大致可分为四类： 1.“感觉”类:与五种感觉器官相关的动词.常见的有: look(看来)，
feel(摸上去)，smell(闻起来) , taste(尝起来)，sound(听起来)等。 例如:
What he says sounds (like) a good idea. Those oranges taste good.
She looks much younger in her red dress.
2. “主观判断”类: 包括 seem(似乎是)，appear(似乎、显得)，prove(证明是), turn out (结果是, 证明是) 等. 例如:
He appears/seems to be very friendly with us. They appear/seem to have misunderstood me. It appears/seems that she will win.
3. “状态变化”类: 表示主语从一种状态变化成另一种状态。
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常见的有: become, turn, grow, go, come, fall, get ，run等。 例如：
Put the fish in the fridge, or it will go bad in hot weather. 4. “状态持续”类:表示主语持续某种状态。
常见的有: remain(依然)，keep(保持)，stay(保持)，lie (呈…状态,置于), continue(继续、仍旧)等。例如: —Why don't you put the meat in the fridge? —It will stay fresh for several days.
The population growth in China remains a problem. The book lay open on the desk. feel 作系动词的用法
1. 表”某物体给人的感觉”,只用一般现在或过去时 2. 表”主语自身的感觉”, 用于各种时态 ------ How are you today?
------ Oh, I haven’t felt as ill as I do now for a long time.
I’m feeling a little better today. get + 过去分词
“get + 过去分词” 有被动含义, 用来突发事件或事故,说明主语自身的状态。
与get搭配的过去分词比较少，有：
broken, caught, hurt, killed, changed, married, engaged, paid, dressed, stuck, separated等。
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状态变化系动词 状态变化系用法 动词 go 多指朝坏的方面变化,也常wrong, 与表颜色的词连用 turn bad, mad, 习惯搭配 hungry, blind etc. 表 “颜色,气味,天气,职业,1特殊用法,可接年龄和年龄,时间”等 时间 2 接单数名词时,单数名词前不接冠词 grow 表成长,发展中的变化 strong, tall, thick, healthy etc. fall 表由动态到静态的转变 ill, sick, silent, asleep etc. come 表事物的发展转向好的状all right, true, alive etc. 态 run 表发展的状态不是人们所dry, short, wild etc. 希望的 get become 常用来指人或物的状态的become 接名词时,名词变化
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前接冠词 巩固练习：
1. The water _____ cool when I jumped into the pool for morning exercise.
A. was felt B. is felt C. felt D. feels
2. He shook his head ______ and looked ____ when he was told the bad news.
A.sadly; sadly B.sad; sad C.sadly; sad D. sad; sadly 3. I love to go to the forest in summer. It ____ good to walk in the forest or sit in the shade of trees.
A. does B. feels C. gets D. makes 4. ----I was wondering if we could go skating on the weekend. ----_____ good.
A. Sound B. Sounded C. Sounding D. Sounds 5. His method should be popularized; it ___ practical.
A. proves B. is proved C. has been proved D. was proved 6. To everybody’s great surprise, the fashionable young lady ____ to be a thief.
A. found out B. proved out C. put out D. turned out 7. Do let your mother know all the truth. She appears ____ everything.
A. to tell B. to be told C. to have been told D. to be telling
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8. John seems _____ well at his job. He looks content with it. A. to get on B. to be getting on C. getting on D. to have got on 9. Happy birthday, Alice! So you have ____ twenty-one already!
A. become B. turned C. grown D. passed 10. The traffic lights_____ green and I pulled away. A. came B. grew C. got D. went
11. It is a good plan in theory, but it _____ to be seen whether it works in practice.
A. waits B. stays C. stands D. remains
12. He remained ______ though we repeatly asked him to sit down. A. stand B. to stand C. stood D. standing 13.-----How are the team playing?
-----They are playing well, but one of them _____ hurt. A. got B. gets C. are D. were
14. Be careful when you cross this very busy street. If not, you may ___ run over by a car.
A. have B. get C. become D. turn
15. As we joined the big crowd, I got ____ from my friends. A. separated B. spared C. lost D. missed 16. The medicine tastes_____, but works_____.
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A. bitter; well B. bitter; good C. bitterly, well D. bitterly; good
17.Although all of the apples ____, none of them____ good. A. have been tasted; taste B. have been tasted; are tasted C. have tasted; taste D. have tasted; are tasted
18. The dog looked______. The boy looked ____at the poor dog. A. dead; sad B. dying; sadly C. deadly; sadly D. dying; sad 19. The cloth that she bought looks ____, feels _____ and sells_____. A. beautiful; soft; well B. beauty; softly; well C. beautifully; softly; good D. beautiful; soft; good 20. The true author of the book remains _____.
A. know B. to know C. unknown D. knowing
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