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动词 动词概述表示动作或状态的词叫做动词。可以分为以下四类：
类别
例句
使用特点
实义/行为动词
及物动词
Love, make
后跟宾语
不及物动词
Go, rise
后不跟宾语
连系动词
Be, look
后跟表语
助动词
Be, have, do, shall, will, did
本身没有词义，后跟动词原形或分词，构成疑问句或否定句等
情态动词
Can, may, mist
本身有词义，后跟动词原形，构成谓语
1、实义动词
二、连系动词
系动词亦称连系动词，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。系动词后不可接副词，接的是形容词。
Be：
He is a teacher.（is与补足语一起说明主语的身份。）I am fine.
2、keep, rest, remain, stay,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、表示"看起来像"这一概念，主要有seem, appear, look, 例如：
He looks tired. He seems (to be) very sad.
4、feel, smell, sound, taste, 例如：
This kind of cloth feels very soft. This flower smells very sweet.
5、become, grow, turn, fall（asleep）, get, go, come, run.
He became mad after that. She grew rich within a short time.
6、终止系动词。表示主语已终止动作，主要有prove, turn out, 表达"证实"，"变成"之意，
The rumor proved false. His plan turned out a success. （turn out表终止性结果）
7．使役动词：let,have,make 使，让…
Let /make somebody do sth
The teacher lets/makes them clean the classroom after school.
Make sb/sth adj.
The story makes me happy. The color makes it look beautiful.
Have somebody do sth 让某人做某事
Have sth done 让某物被做
My mother haves me make the bed. I have my hair cut/washed.
有些动词它们既可以用作实义动词，又可以用作连系动词。
另外be还可用作助动词。它们的用法不同，词义和句型结构也有所不同。例如：
Look at the blackboard, please.请看黑板。(look用作实义动词)
He looks a little tired.他略显疲倦。(look用作连系动词)
They are at work.他们在工作。(are用作连系动词)
They are working.他们正在工作。(are用作助动词，帮助构成现在进行时)
3、助动词
协助主要动词构成谓语动词词组的词叫助动词。 助动词是语法功能词，自身没有词义，不可单独使用，它没有对应的汉译，例如： He doesn"t like English.（doesn"t是助动词，无词义；like是主要动词，有词义)
1、助动词be(is, am,are,was,were)，have(has, had, having)，do(did,does).
*do(does, did) 的用法
（1）构成疑问句或否定句
(How) did you know ? He does not smoke.
（2）加强语气。
He did tell that.
Do come and see us.
（3）代替前面刚出现的动词，避免重复。
-You like popular music, don"t you? -Yes , I do.
He speaks French as fluently as she does.
（4）用于倒装句中。
Never did he pay attention to my words.
Only then did I understand the importance of English.
（5）构成否定的祈使句。
Don"t be so careless.
Do not hesitate to come for help.。