连系动词本身有一定词义，但不完整，不能独立作谓语，必须与表语一起构成合成谓语。下面是初中英语系动词的用法讲解，大家一起来看看吧!
初中英语系动词的用法讲解:
1. “状态”类:常见的有:be (是)，keep (保持)，stay (保持)，remain (依然)，seem (似乎是)，appear (似乎，显得)，prove (证明是)，这类词表示具有或保持某种特征或状态。
① He is director of our department.他是我们部门的主任。
② The meat will keep/stay fresh for several days.肉会保鲜好几天的。
③ The store remains ’s the matter?
已经是上午十点了，商店仍然关着门，是怎么回事?
④ The chairwoman seemed very surprised about the question I asked.
女主席似乎对我提出的问题感到吃惊。
⑤ The sky appears blue on the earth.从地球上看天空似乎是蓝色的。
⑥ As time went on，his theory proved (to be) true.
随着时间的推移，他的理论证明是正确的。
◆◆keep, remain, stay用法区别
① keep “保持……状态”，后接adj.或介词短语。其后常见:alive, awake, cheerful, silent, dry, well, fit, fine, close, clean, happy, firm，in one’s stand等。
Have you kept well all these years? 这些年来你身体好么?
I hope it will keep fine. 我希望天气继续好下去。
In order to keep fit, all students go in for sports. 为了保持健康，所有学生都参加体育运动。
We’d better keep in touch. 我们最好保持联系。
②remain “仍然存在……状态”，后接adj.、过去分词、名词或介词短语，强调某种状态前后无变化。
The door remained closed.门仍然关着。
Kosovo intensity remained high.科索沃局势仍然高度紧张。
Peter became a judge but John remained a fisherman.彼得当了法官，而约翰依旧是渔民。
Your room remains like this. 你的房间依旧是这样子。
③ stay “保持……状态”，后接形容词、分词。
That fellow stayed single. 那个小伙子仍保持单身。
The door stayed closed. 门一直关着(无比较的持续状态)
It’s easy to stay hidden. 躲起来很容易。
Please stay seated. 请继续坐着。
[图片0]
2. “感官”类:主要指与五种感官有关的动词:look (看起来)，sound (听起来)，smell (闻起来)，taste (尝起来)，feel (摸起来 / 感到)。
The Sydney Opera House looks just like seashells。悉尼歌剧院看上去就像海贝。
The story sounds true.这个故事听起来像真实的。
The meat you bought last week smells has gone bad.
你上周买的肉难闻极了，它已经臭了。
Those oranges on sale taste good.卖的那些橘子尝起来很好吃。
Silk feels soft.丝绸摸上去很柔软。
3. “变化”类:常见的有三组
⑴ turn (变成)，grow (变得)，get (变成)，become (变成)，make ()
⑵ come (变得)，go (变得),
⑶ fall (进入某状态), run (变成，进入)
4. 双谓语系动词
此类系动词既有系动词的功能，后接表语，又保留原实义动词本身的含义。例如:
The run rose red. 太阳升起红艳艳。
She stopped and stood quite still. 她停下来然后一丝不动地站着。
The book lay open on the table. 那书在桌子上打开着。
The snow lay thick on the ground. 雪厚厚地堆积在地上。
He married young. 他结婚很早。
The window blew open. 窗户吹开了。
She blushed as red as a peony. 她的脸红得像一朵牡丹花。
Lei Feng died young. 雷锋早逝。
The material has worn thin. 这种布料已穿薄了。
The weather continued calm. 天气仍然平静。
He continued silent.他继续沉默不语。
连系动词的分类及用法说明:
一、连系动词的分类
连系动词根据其意义特点可分为以下几类:
(1) 表示状态的，如 be, seem，appear, keep, remain, stay, stand, lie, sit, continue等。
(2) 表示变化的, 如 become, get, turn, grow, go, come, fall, run 等。
(3)表示知觉的，如 look, feel, sound, smell, taste等。
(4) 表结果的，如 prove, turn out等。
二、连系动词的用法说明
连系动词后通常跟名词或形容词作表语;有时也可跟代词、数词、副词、介词短语、不定式、动名词、分词、从句等。如:
Helen became an electronic engineer. 海伦成了一名电子工程师。(名词)
According to the weather report, the weather will continue fine till this weekend. 据天气预报,到本周末天气仍然很好。 (形容词)
This is not something that money can buy. 这可不是金钱能买到的。 (代词)
Alice was the first to arrive. 艾利斯第一个到。(数词)
He will be away for two months. 他将外出两个月。(副词)
That looks like an interesting film. 那看来是部有趣的电影。(介词短语)
The old man seems to have forgotten everything he learnt at school. 这们老人似乎把在学校里学的一切东西都忘光了。(不定式)
Their job was painting the boat. 他们的工作是油漆小船。(动名词)
Gone is the one who held me dearest in the world. 世界上最疼我的那个人去了。(过去分词)
Skiing is more exciting than skating. 滑雪比溜冰更使人兴奋。(现在分词)
That is why stone walls are used instead of fences around New England fields. 这就是为什么在新英格兰用石头墙而不用栅栏的原因。(从句)
注:副词通常不用作表语，少数能用作表语的副词主要仅于in, on, off, out, away, behind, up, down, over, through, around, round, below, inside, outside 等少数副词小品词以及here, there, upstairs, downstairs等少数表示地点或方位的副词。
连系动词的重要搭配及用法:
(1) remain+ 名词 / 形容词 / 分词 / 介词短语等，如:
Peter became a judge but John remained a fisherman. 彼得当了法官，但约翰仍然是个渔民。
He's determined to remain loyal to the team whatever comes his way. 他决心不管发生什么事都忠于球队。
Not so much remains to be done. 没剩多少事需要做。
(2) keep fit 身体健康 / keep silent 默不作声 / keep quiet 保持安静 / keep calm / cool保持冷静 / keep awake 保持清醒 / keep open 不关门 / keep fine 一直晴好，等。如:
He runs to keep fit. 他跑步为了保持健康。
—How are you keeping? 你身体怎样?
—I’m keeping well, thanks. 很好，谢谢。
(3) fall asleep入睡 / fall ill病倒 / fall silent 不作声 / fall lame变瘸 / fall due 到期 / fall short 缺乏，等。
(4) stay fine 保持晴朗，stay young 依然年轻，stay open 不关门，等。
(5) continue fine / cold / silent / angry / in office 仍然晴好 / 继续寒冷 / 保持沉默一直生气继续执政，等。
(6) run dry 变干，run short 不够，run wild 无约束或荒芜，run cold 变冷，等。
学习连系动词应注意的几个易错点:
1. 连系动词后通常可接形容词作表语，一般不接副词。如:
误:I felt very nervously when I went into his office. 当我走进他的办公室时,我感到很紧张。
正:I felt very nervous when I went into his office.
误:He was nicely to us. 他对我们很友好。
正:He was nice to us.
但是，少数表示地点或方位的副词如in, on, off, out, away, behind, up, down, over, through, around, round, below, inside, outside以及here, there, upstairs, downstairs等常可跟在连系动词后作表语。如:
My husband won't be in until six o'clock.我丈夫要到六点钟才在家。
When we arrived the film was over. 当我们到达时，电影结束了。
The old lady was upstairs. 那位老妇人在楼上待过。
I didn’t know you were here. 我不知道你在这儿。
2. 连系动词后可接不定式作表语。
(1) 连系动词be后可接不定式作表语。如:
My dream is to become the best footballer in the town. 我的梦想是成为全城最好的足球队员。
A soldier’s duty is to obey orders. 军人以服从命令为天职。
If a man is to succeed, he must work as hard as he can. 一个人要想成功，必须尽可能地努力工作。
(2) seem, appear, prove, continue, get, grow, come, turn out等连系动词后也可接不定式(尤其是to be)作表语，如:
I still seem to hear the music. 我还觉得音乐好像在我耳边萦绕。
My advice proved to be wrong. 我的意见证明是错的。
Babies of two months old do not appear to be reluctant to enter the water. 两个月的婴儿看来不象是不肯下水的。
The plan turned out to be a failure. 这项计划结果归于失败。
For years her love life continued to be one long tragic and comic novel. 多年来，她的爱情生活一直是一部既悲且喜的长篇小说。
She has a hot temper, but you will soon grow to like her. 她脾气躁，但不久你就会喜欢她了。
【注】若不定式为to be时，通常可以省略。如:
The drug proved (to be) highly effective. 这种药证明是非常有效的。
(3) 在表示知觉的连系动词 sound, smell, feel, taste, become等后通常不能接不定式。如:
误:They were all hungry and the food smelt to be good.
正:They were all hungry and the food smelt good. 他们都饿了，因而感到饭菜喷香。
误:This tea tastes to be sweet.
正:This tea tastes sweet. 这茶的味道很香。
(4) 少数连系动词后面接的从句可用不定式改写为简单句。如:
It seemed that the man was ill.
= The man seemed to be ill. 这个人好像病了。
It appears that she failed to follow our instructions. 看来她并没有照指示做。.
= She appears to have failed to follow our instructions.