小学英语 动词ppt课件.ppt
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1、o,小学英语总复习-动词 主办人:阎光磊,1.学而时习之(复习)读一读,1. My father is a doctor. 2. The hamburger smells very delicious.3. The kite looks like a cat.4.I dont go to school on Saturday and Sunday.,你还记得他们吗?,同学们,你们回忆起来了吗?这是什么词性?动词!,一、动词的概念:表示动作、状态、行为等的词叫动词。二、动词的分类:英语中的动词分为连系动词、助动词、情态动词和行为动词(实义动词)四大类。1. 连系动词:这类动词通常表示特征、情感、
2、变化等的状态,不可单独作谓语, 必须和后面的表语一起构成系表结构,才能充当句子的谓语。常见的连系动词主要有:be(am, is, are), look(看起来), fell(感到), smell(闻起来), become(变成), get(变得)等。如;. It gets warmer and warmer in spring.2. 助动词: 这类动词本身无意义,在句子中不能单独作谓语,需要和行为动词一起构成各种时态或语态,并帮助行为动词构成否定句或疑问句。常见的助动词主要有:一般现在时态中的助动词有:do和does.E.g:Do you go to school on Sunday? Doe
3、s she go to school on Sunday? What do you do? What does she/he do?,一起学动词,现在进行时态中的助动词有:be(am, is, are)。 如:(1) I am playing ping-pong now.(2) She/He is playing ping-pong now. (3)We are playing ping-pong now. (4) I am not playing ping-pong now.(5) She/He isnt playing ping-pong now. (6) We arent playing
4、 ping-pong now. (7) Are you playing ping-pong now?(8) Is she/he playing ping-pong now. (9) What are you doing now?(10) What is she/he doing?,一起学动词,一般将来时态中的助动词有:be going to结构中的be(am, is are), will和shall。如:(1) I am going to swim tomorrow. (2) She/He is going to swim tomorrow. (3) We are going to swim
5、tomorrow. 一般过去时态中的助动词有:did. 如:(1) I didnt go to school yesterday. (2) Did you go to school yesterday? (3) What did you do yeaterday?,一起学动词,情态动词:这类动词表示说话人的语气和情态, 虽然他们有一定的词义,但是在句子中也不能单独作谓语,必须和动词原形一起构成谓语,变成否定句在他们后面加not, 变成疑问句把他们提到主语的前面。常见的情态动词有:can/could(能、会); may(可以); must(必须); will/would(愿意); shall/s
6、hould(应该). 如:(1) I can play soccer. (2) May I help you?,一起学动词,4. 行为动词(实义动词):这类动词表示动作或状态,具有实际的意义,能在句子中独立充当句子的谓语,也叫实义动词。如:say, sing, swim, help, want等。a. 行为动词的单数第三人称形式的变化规则:1.一般情况下在动词后加s。如:look-looks, like-likes, live-lives, play-plays 2.以s, sh, ch, o结尾的动词后加es。如:pass-passes, wash-washes, brush-brushes
7、, watch-watches, catch-catches, teach-teaches, touch-touches, do-does, go-goes.3.以辅音字母加y结尾的动词,把y改为i再加es。 如:fly-flies cry-cries但是have的单数第三人称形式是has.b. 行为动词的现在分词形式的变化规则:1.一般情况下,直接在动词末尾加ing。如:look-looking, play-playing, sing-singing2.以不发音的e结尾,去e加ing。如:make-making, leave-leaving, come-coming3.末尾只有一个辅音字母的
8、重读闭音节的动词,双写末尾的辅音字母,再加ing,如:run-running, stop-stopping, shop-shopping, swim-swimming, skip-skipping4.以ie结尾的动词,把ie改为y再加ing。如:lie-lying,一起学动词,c. 行为动词的过去式的变化规则:1.一般情况在动词末尾加-ed. 如:look-looked, miss-missed, play-played, 2.以e结尾的动词直接在词尾加d. 如:arrive-arrived, 3.末尾只有一个辅音字母的重读闭音节的动词,双写末尾的辅音字母,再加-ed,如:stop-stopp
9、ed, shop-shopped4.以“辅音字母+y”结尾的动词,变y为i,再加-ed,如:study-studied,一起学动词,过去式:(同学们要逐个记牢!)1.完全不规则:am,is-was, are-were, do-did, go-went, see-saw, say-said, have-had, fly-flew, speak-spoke, buy-bought, bring-brought, think-thought, teach-taught, eat-ate, lie-lay, can-could, will-would, take-took.2.改变其中的元、辅音字母:
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