小学教育英语的动词课件.ppt
,小学学习课件,WELCOME TO MY CLASS,动 词,动词的构成,助动词情态动词系动词实义动词,助动词,PART 1,助动词,助动词的几种形式 do/dont does/doesnt did/didnt will/wont have,havent/has,hasnt/had hadntshall should/shant shouldnt,助动词的用法,Do you get up early every day?I didnt(没)have lunch yesterday.Will you be back soon?He hasnt(没)finished the work yet.,情态动词,PART 2,情态动词,共同特点情态动词后面跟动词原型无论否定、疑问都用情态动词只有时态变化,无人称变化,情态动词,can/could1.在表示有能力作某事时,could是can的过去式。I can swim.I could swim at the age of five.2.在表示请求允许的时候两者和互换,could比can语气更委婉。Can I help you?Could you open the window?,情态动词,must/have toMust 表示主观意愿,否定句用Mustnt,否定回答用needntI must go now.You mustnt play in the street.Must I clean the room now?No,you neednt.have to表示客观条件的限制的“不得不”,它有时态和人称变化,需要助动词来否定和疑问。I dont have to carry the big box.He had to wash his clothes.,情态动词,May 表示请求别人允许。May I use your bike?表示可能性。He may be a teacher.He may live in this building.,系动词,PART 3,系动词,be动词的几种形式am is arewas werebeingbeen,be动词的几种形式,be动词的用法,与名词、数词、形容词、介词连用I am a doctor.He is ten.They are tired.The cat is under the table.There is a pen on the desk.,系动词,其他系动词变成类get,turn,become,make感观动词look,sound,smell,taste,feel似乎类 seem appear 保持类stay keep以上系动词只和形容词连用,构成系表结构I feel hungry.The day gets longer and longer.He looked happy.,实义动词,PART 4,实义动词,实义动词指的是有具体行为意思的动词。实义动词在句中可以做谓语动词和非谓语动词。,实义动词,3.做谓语动词的用法 四种形式:单三,现在分词,过去式,过去分词注意:掌握四种形式的变化规律He works in the office.We are dancing together.I caught a cold last week.She has watered the flower.,实义动词,做非谓语动词的用法(指出现在谓语动词之后的动词,它受前面谓语动词的限制)非谓语动词会有三种形式:原型(do)动名词(doing)不定式(to do),实义动词,用原型:let sb.domake sb.dohelp sb.(to)dohad better do,实义动词,用动名词:like doingenjoy doingfinish doing介词之后用动名词 be good at doingwhat about doingthank you for doing,实义动词,用不定式:want to dodecide to doplan to dowould like to dotell sb.(not)to doask sb.(not)to do,Thank you,谢 谢!,