keep是不是系动词？

keep是不是系动词？

keep 可以作为系动词用 e.g keep healthy

另外的， keep 当做一般的动词 后面要接ing
这个时候它有被动态

我觉得是系动词

动词进行时： keeping 过去式： kept 过去分词： kept
v. 1.(使)保持，(使)继续 2.保存 3.阻止 4.遵循 5.饲养 6.经营
及物动词 vt. 保持；保存
continue to have or hold,esp.for future use or for a long time
· I kept myself warm by walking up and down.
我踱来踱去以暖和身子。
· Don't keep it too long.
别在你那儿搁得太久了。
及物动词 vt. 保留，保藏
retain, not lose or throw away
· Keep your temper, not get angry,please.
请扼制住不要发脾气。
· Will you keep these documents for us?
你帮我们保存一下这些文件好吗？
及物动词 vt. 维持
cause(deliberately)to continue in a certain position or condition
· Although it is a cheap one,this watch keeps good time.
虽然这块表便宜，但走得倒挺准。
· People don't like to be kept waiting.
人们不喜欢别人让他们干等着。
· Keep the fire burning.
照看好，别让火灭了。
· He couldn't keep his eyes shut to all this.
他不能对这一切视而不见。
· That will keep you busy for some time.
那可够你忙一阵子的了。
· These things should be kept in order.
这些东西应该整理好。
· He helped to keep us in touch with what was going on there.
他帮助我们了解那儿的情况。
· I'm sorry you've been kept waiting.
很抱歉，一直让你等着。
及物动词 vt. 赡养，供养；饲养
take care of someone or an animal; give food,clothes and a home to someone
· He has a wife and family to keep.
他要养活妻子和一家人。
· We were forbidden to keep a single bird of our own.
我们哪怕只喂养一只鸟儿也不允许。
· I once asked him if he had any difficulty in keeping five children in school.
有一次我问他供五个孩子上学是否有困难。
及物动词 vt. 经营；管理
carry on;manage; conduct
· His mother helped to keep house for him.
他妈妈帮助他管家。
· Mr. Brown keeps a shop.
布朗先生开了一家店铺。
及物动词 vt. 存（货以便售卖）
have regularly in stock and for sale
· I'm sorry, but we don't keep them.
对不起，我们这儿不卖（或没有）。
· Do you keep postcards?
你们这儿有明信片吗？
及物动词 vt. 忠于；现实；履行
be faithful to; pay regard to; fulfil
· Keep this matter to yourself; don't let anybody know.
这件事你知道就行了，不要对别人讲。
及物动词 vt. 庆祝；纪念
observe with due ceremonies,celebrate
· Let's keep Christmas.
我们庆祝圣诞节吧。
· Most of Americans keep birthdays every year.
大多数美国人每年庆祝生日。
及物动词 vt. 防卫，防守
guard, protect, prevent
· The soldiers kept a town against the enemy.
战士防止敌人侵入城来。
及物动词 vt. 制止；使远离
hold back; withhold; reserve
· An iron case will keep the earth's magnetism away from the compass.
铁箱子能使地球磁力不影响指南针。
· We must keep these combustibles away from the fire.
我们一定不要使这些可燃物与火接近。
及物动词 vt. 保密
not tell(a secret), conceal
· We must keep them from getting to know our plans.
一定不要让他们知道我们的计划。
及物动词 vt. 阻止做（某事）
prevent from doing sth.
· The rain kept us from going out.
下雨使我们没法出去。
· This is used to keep the rain out.
这是用来挡雨的。
及物动词 vt. （食物）保鲜
stay fresh or good

及物动词 vt. 记入；记录
make entries in or records of
· But we have to keep a record in the office.
但我们得在办公室登个记。
不及物动词 vi. 保持状况
remain in a certain condition
· We must keep fit.
我们必须身体好。
· It must find a place where it can keep fairly warm.
必须找到一个可以保暖的地方。
· I wish those children would keep quiet.
那些孩子若能保持安静就好了。
· In those days they could hardly keep alive.
那时候，他们简直没法活下去。
· Danger!Keep out!
危险！不要进入！
· We kept in during the cold weather.
天冷时我们就不出去。
· The sports keep him in good health.
运动使他健康。
· We're keeping in very good health.
我们身体非常好。
· I have kept in contact with my mother by telephone for many years.
许多年来我一直与母亲保持电话联系。
不及物动词 vi. 继续不断的做
continue in action
· The prices keep rising.
物价不断上涨。
· News of successes keeps pouring in.
捷报频传。
不及物动词 vi. 维持良好状况
remain in a sound condition
· This fruit will keep till spring.
这水果可以保存到春天。
不可数名词 n.[U] 衣食；生计
the cost of food,home,clothes, etc.
· The gardener works hard for his keep.
园丁努力干活以维持生计。

是 有系动词和动词的词性
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。

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）