1、WELCOME TO MY CLASS,動 詞,動詞的構(gòu)成,助動詞 情態(tài)動詞 系動詞 實義動詞,助動詞,PART 1,助動詞,助動詞的幾種形式 do /dont does/ doesnt did/ didnt will /wont have, havent /has, hasnt/had hadnt shall should/shant shouldnt,助動詞的用法,Do you get up early every day? I didnt （沒）have lunch yesterday. Will you be back soon? He hasnt （沒）finished the wo

2、rk yet.,情態(tài)動詞,PART 2,情態(tài)動詞,共同特點 情態(tài)動詞后面跟動詞原型 無論否定、疑問都用情態(tài)動詞 只有時態(tài)變化，無人稱變化,情態(tài)動詞,can / could 1. 在表示有能力作某事時，could是can的過去式。 I can swim. I could swim at the age of five. 2. 在表示請求允許的時候兩者和互換， could比can語氣更委婉。 Can I help you? Could you open the window?,情態(tài)動詞,must /have to Must 表示主觀意愿，否定句用Mustnt，否定回答用neednt I must

3、go now. You mustnt play in the street. Must I clean the room now? No,you neednt. have to表示客觀條件的限制的“不得不”，它有時態(tài)和人稱變化，需要助動詞來否定和疑問。 I dont have to carry the big box. He had to wash his clothes.,情態(tài)動詞,May 表示請求別人允許。 May I use your bike? 表示可能性。 He may be a teacher. He may live in this building.,系動詞,PART 3,系動

4、詞,be動詞的幾種形式 am is are was were being been,be動詞的幾種形式,be動詞的用法,與名詞、數(shù)詞、形容詞、介詞連用 I am a doctor. He is ten. They are tired. The cat is under the table. There is a pen on the desk.,系動詞,其他系動詞 變成類get，turn，become，make 感觀動詞look，sound，smell，taste，feel 似乎類 seem appear 保持類stay keep 以上系動詞只和形容詞連用，構(gòu)成系表結(jié)構(gòu) I feel hung

5、ry. The day gets longer and longer. He looked happy.,實義動詞,PART 4,實義動詞,實義動詞指的是有具體行為意思的動詞。 實義動詞在句中可以做謂語動詞和非謂語動詞。,實義動詞,3. 做謂語動詞的用法 四種形式：單三，現(xiàn)在分詞，過去式，過去分詞 注意：掌握四種形式的變化規(guī)律 He works in the office. We are dancing together. I caught a cold last week. She has watered the flower.,實義動詞,做非謂語動詞的用法（指出現(xiàn)在謂語動詞之后的動詞，它受前面謂語動詞的限制） 非謂語動詞會有三種形式： 原型(do) 動名詞(doing) 不定式(to do),實義動詞,用原型： let sb. do make sb. do help sb.(to) do had better do,實義動詞,用動名詞： like doing enjoy doing finish doing 介詞之后用動名詞 be good at doing what about doing thank you for doing,實義動詞,用不定式： want to do d