初一现在进行时1. 定义：表示现在或现阶段正在进行的动作。常与now, these days等时间状语连用，句首有 Look ! / Listen !等提示语。 Im visiting my friends now. Look! He is sitting there.2.基本结构：be动词(am ,is ,are) +动词的现在分词构成（动词-ing）肯定句： be + doing 否定句： be + not doing 一般疑问句：Be动词提前到句子开头 +主语+doing记忆口诀： 现在进行主动宾，be +动词-ing要记清; 助动词(am, is ,are) 跟着主语变， am, is ,are + -ing; 变疑问，助动词(am, is ,are) 后主语跟， 变否定，助动词(am, is ,are) 后not跟。例句：肯定句： I am working. He is working. They are working.否定句： I am not working. He is not working. They are not working.疑问句：Are you working? Is he working? Are they working?回 答：Yes, I am . Yes, he is. Yes, they are. No, Im not. No, he isnt. No, they arent.注意：现在进行时的特殊用法：1）现在进行时与always 连用时，往往含有赞扬、厌恶、责备等感情色彩。 如： He is always working hard.他总是非常努力地工作。(表示赞扬) 2）come, go, begin, start, leave 等动词常用现在进行时表示将要发生的动作。 She is leaving China tomorrow. Im going to school.3. 现在分词的变法规则：当我们说某人正在做什么事时，动词要使用分词形式，不能用原形，构成如下：一）一般在后加ing。如： sing-singing, see-seeing, play-playing, go-going, do-doing,二）以不发音e的结尾的去掉e再加ing。如：write-writing, have-having, come coming 来 ；close - closing关 ；make making 制造ride riding 骑； write - writing 写 ;take - taking 拿走 ; have having 有 ；三）以重读闭音节结尾且一个元音字母一个辅音字母（注意除开字母组合如show showing, draw-drawing）要双写最后的辅音字母再加ing。如：put-putting, run-running, get-getting, let-letting, begin-beginning; sit- sitting ；cut cutting 切 ;shop-shopping 购物；begin-beginning 开始 forget-forgetting忘记；stop-stopping 停止travel-travelling 旅行；beginbeginning 开始; swimswimming 游泳；runrunning跑步; putputting放；letletting让；getgetting得到四）以ie结尾的变ie为y再加ing。如：tie-tying系 die-dying死 lie-lying 位于现在进行时态专项练习一、 写出下列动词的现在分词形式stay _do _listen _forget _refuse _close _travel _die _work _spend _look _ make _put _sit _run _tie _take _give _ride _please _win _begin _open _lie _二、 用所给动词的适当形式填空1. Mary and Lucy are _ (dance) now.2. Listen! Someone is _ (play) the piano in the next room.3. He is _ (sweep) the floor at the moment.4. Look ! The cat _ _ (eat) the fish on the table.5. A: _ you _ (study) French ?B: Yes , I am.6. She often _ (dance) after school.7. My father and mother _ _ (swim) in the pond.8. My sister is _ (fly) a kite in the garden.9. We are _ (watch) TV now. 10.Be quiet ! The baby _ _ (sleep) now.三、 改错1. We are cleanning our classroom. _2. She is sing in the next room. _3. What am you doing? _4. Mary is comeing back from Beijing._5. He often flying kites on Sundays. _6. They is reading books now. _7. My brother is plays the guitar now. _8. Sally is danceing in the room. _9. I watching TV at home now. _10. Do you listening the radio now? _四、 英汉互译1. 他正在教室里做作业。_2. We are reading English now._3. Pete和Billy 正在操场（in the playground）打篮球。_4. Look! A bird is flying in the sky._5. 公共汽车来了。_6. 刘先生经常在周日的时候（on Sundays）看英语书。_7. He isnt playing games.He is studying. _8. 孩子们在摘（pick）苹果。_9. That son of yours is always making troubles (捣乱)._10.你们正在做什么?_能力测试一、 写出下列动词的第三人称单数形式及现在分词形式play _ _sit _ _do _ _stop _ _put _ _swim _ _skate _ _dance _ _fly _ _lie _ _二 单选1、 Look! He _their mother do the housework. A. is helping B. are help C. is help D.is helpping2 、_are the boys doing ? They are singing in the room. A .Who B .How C.What D.Where3、 Dont talk here. My mother _. A. is sleeping B .are sleeping C. Sleeping D .sleep4 、Danny _. Dont call him. A. is writeing B .is writing C.writing D .writes5 、When_he_back? Sorry, I dont know. A. does,come B.are coming C