1、現(xiàn)在進(jìn)行時(shí)定義用于表示正在進(jìn)行的動(dòng)作和狀態(tài)。I am sitting under the tree.結(jié)構(gòu)am/is/are+ 動(dòng)詞ing形式She is waiting for a bus.肯定句主語(yǔ)+am/is/are+動(dòng)詞ing+其他.I am having breakfast.He is running across the street.否定句主語(yǔ)+am/is/are+not+動(dòng)詞ing+其他I am not sitting under the tree.They are not singing.一般疑問(wèn)句Am/is/are+主語(yǔ)+動(dòng)詞ing+其他Are you waiting for

2、 the bus? -Yes, I am./ -No, Im not.Is he running across the grass? -Yes, he is./ No, he isnt.現(xiàn)在分詞的變化規(guī)律大多數(shù)動(dòng)詞直接+ingWalkwalking eateatingSingsinging jumpjumping以不發(fā)音的字母e結(jié)尾的動(dòng)詞去掉e+ingMakemaking dancedancingtaketaking typetyping以重讀閉音節(jié)結(jié)尾，且末尾只有一個(gè)輔音字母的動(dòng)詞雙寫(xiě)尾字母+ingrunrunning sitsittingShutshutting1、 自我檢測(cè)，這些詞還會(huì)做

3、嗎？一 寫(xiě)出下列單詞的現(xiàn)在分詞形式climb eat drink fly cry jump read run clean shine sleep wash sweep type cook walk shave wait sit 根據(jù)要求完成下列各題。1. Lucy is looking at me.(對(duì)劃線部分提問(wèn)) _ _ looking at me?2. The aeroplane is flying over the tree? _ _ the aeroplane _ _?3. Tom is reading a book.(改為否定句)Tom _ _ a book.4. Mary is

4、drinking the milk.(改為一般疑問(wèn)句) _ Mary _ the milk?5. Is Mrs. Black cleaning the room?(做肯定回答)Yes, _ _.6. Sam is looking at a picture.(對(duì)劃線部分提問(wèn))_ _ Sam _?7. My sister is dusting the dressing table._ _ your sister _?8. They are cleaning the windows?（對(duì)劃線部分提問(wèn)）_ _ they _?根據(jù)漢語(yǔ)提示完成句子1. 瑪麗正坐在樹(shù)下。Mary _ _ _ the tree.2. 誰(shuí)正在削鉛筆。_ _ _ the pencil.3. 我正在