系动词与实义动词系动词不是is am are之类的吗?什么叫系动词?怎样分辨系动词?实义动词是什么?怎么用?系动词与动词

系动词亦称联系动词（Link Verb）,作为系动词,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）,构成系表结构说明主语的状况、性质、特征等情况.
说明：
有些系动词又是实义动词,该动词表达实义时,有词义,可单独作谓语,例如：
He fell ill yesterday.
他昨天病了.（fell是系动词,后跟补足语,说明主语情况.）
He fell off the ladder.
他从梯子上摔下来.fell是实义动词,单独作谓语.
1）状态系动词
用来表示主语状态,只有be一词,例如：
He is a teacher.他是一名教师.（is与补足语一起说明主语的身份.）
2）持续系动词
用来表示主语继续或保持一种状况或态度,主要有keep,rest,remain,stay,lie,stand,例如：
He always kept silent at meeting.他开会时总保持沉默.
This matter rests a mystery.此事仍是一个谜.
3）表像系动词
用来表示"看起来像"这一概念,主要有seem,appear,look,例如：
He looks tired.他看起来很累.
He seems (to be) very sad.他看起来很伤心.
4）感官系动词
感官系动词主要有feel,smell,sound,taste,例如：
This kind of cloth feels very soft.
这种布手感很软.
This flower smells very sweet.
这朵花闻起来很香.
5）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become,grow,turn,fall,get,go,come,run.
例如：
He became mad after that.自那之后,他疯了.
She grew rich within a short time.她没多长时间就富了.
6）终止系动词
表示主语已终止动作,主要有prove,trun out,表达"证实","变成"之意,例如：
The rumor proved false.这谣言证实有假.
The search proved difficult.搜查证实很难.
His plan turned out a success.他的计划终于成功了.（turn out表终止性结果）
实义动词的用法
实义动词词义完整,能独立作谓语,可分成：及物动词（transitive verb）和不及物动词（intransitive verb）.
1．及物动词要求有宾语
①Mr．Smith gave his wife twenty pounds for her birthday．史密斯先生给了他的妻子20英镑过生日.
②He asked the teacher a few questions．他向老师问了几个问题.
③We have friends all over the world.我们的朋友遍天下.
④Children and young people like bright colors．孩子和年轻人喜欢亮丽的颜色.
2．不及物动词不要求宾语
① Most shops in Britain open at 9:00 A．m.and close at 5:00 or 5:30 in the evening .英国大部分商店九点开门,晚五点或五点半关门.
②George's father lives there．乔治的爸爸住在那里.
③Let's go home．我们回家吧.
④The examination ended at 11:30 A．m．考试上午十一点半结束.
3．特殊实义动词
英语动词很多既是及物动词又是不及物动词,如
close,begin,study,leave,work等.
①The post office closes at 9:00 p.m．邮局晚上9点关门.
②Close the window,please．请关窗.
③Shall we begin now?我们现在开始吗?
④ Bill began working as a sailor after he left school．比尔毕业后当水手.
⑤They left yesterday．他们昨天离开的.
⑥When did you leave Washington?你什么时候离开华盛顿的?
⑦The students study hard.这些学生学习努力.
⑧The students study English and German．这些学生学习英语和德语.
⑨He works in a supermarket.他在一家超市工作.
⑩He works the machine on Mondays.他星期一操作这台机器.