小学英语时态语法：现在进行时、一般现在时时态讲解PPT课件.ppt

,Grammar,现在进行时,一、现在进行时的定义：表示现在正在进行或发生的动 作 。（句中一般含有now, 单独的look或 listen出现 在句首.）,二、它的结构：be + 动词ing 形式,三、动词加ing的变化规则 1一般情况下，直接加ing，如：cook-cooking 2以不发音的e结尾，去e加ing，如：make-making, taste-tasting 3重读闭音节且只有一个辅音字母结尾的，应双写末 尾的辅音字母，再加ing，如：run-running, stop-stopping,一、写出下列动词的现在分词： 1 play_ 2 run_ 3 swim _ 4 make_ 5 go _ 6 get_ 7 write_ 8 sing_ 9 read_ 10 have_,Exercise1,playing,running,swimming,making,going,getting,writing,singing,reading,having,1、现在进行时的肯定句【主语+be( am, is, are)+现在分词+其 它. 】,3、现在进行时的一般疑问句把be动词调到句首【Be(am, is, are) +主语+现在分词+其它？ 】,Tom is not reading books in his study .,Is Tom reading books in his study ？,句式：,如：Tom is reading books in his study .,2、现在进行时的否定句在be后加not。,如：Tom is reading books in his study .,如：Tom is reading books in his study .,4、现在进行时的特殊疑问的基本结构为：【疑问词+be(am, is, are)+主语+现在分词+其它？ 】,如：What is Tom doing in his study?,Where is Tom reading books?,Exercise2,一、用所给的动词的正确形式填空： 1.The boy _ ( draw)a picture now. 2. Listen .Some girls _ ( sing)in the classroom . 3. Look !They _( run) on the playground .,二、句型转换： They are doing housework .(分别改成一般疑问句和否定句) 一般疑问句： _they_housework? 否定句：They _ _ doing housework. 2.The students are cleaning the classroom . ( 改一般疑问句并作肯定和否定回答) 一般疑问句：_ the students _ the classroom? 肯定回答： _,they _. 否定回答：_, they _.,is drawing,are singing,are running,Are,doing,are,not,Are,cleaning,Yes,are,No,arent,3.Im playing the football in the playground .(对划线部分进行提问) 先改一般疑问句: _ you_ the football in the playground? 其次找疑问代词: 划线问的是在操场上 就选择疑问代词_ 再次把疑问代词放在的前面并去掉划线部分。 _are you _ the football ? 4Tom is reading books in his study . (对划线部分进行提问) _ is Tom_ in his study ?,Where,playing,What,doing,Are,playing,where,用所给动词的适当形式填空,1. He _ (get) up at six oclock everyday. 2. _ you _ (brush) your teeth every morning? 3. What _he usually_ (do) after school? 4. _ they _(read) English every day?,gets,Do,brush,does,Do,read,do,Exercise3,一般现在时,一、一般现在时的定义:一般现在时表示现在经常反复发 生的动作、存在的状态或习惯性的动作的时态。,二、构成：一般现在时用行为动词的原形，但第三人称 单数作主语时，动词的词尾要加-S。（一般的动词词 尾+S。以sh/ch/s/x结尾的词+es.以辅音字母Y结尾的把 Y变成i，+es。辅音字母o结尾的+es.),三、标志词（时间状语）：always, every week (day, year, month), sometimes, on Sundays, uauslly ,often,四、肯定句： 1【主语（第三人称单数）+动词的第三人称复数+其它。】,如：Tom watches TV on Sundays.,2【主语（非第三人称单数）+动词原形+其它。】,如: Jim and Tom watch TV on Sundays.,五、否定句：,1【主语（第三人称单数）+doesnt+动词原形+其它。】,如：Tom doesnt watch TV on Sundays.,2【主语（非第三人称单数）+dont+动词原形+其它。】,如: Jim and Tom dont watch TV on Sundays.,六、一般疑问句：,1【Does+主语(第三人称单数)+动词原形+其它？】,如：Does she play the piano everyday?,2【Do+主语(非第三人称单数)+动词原形+其它？】,如：Do they play the piano everyday?,七、特殊疑问句：,1【 疑问代词+does+主语(第三人称单数)+动词原形+其它？】,如：What does Tom usually do every evening?,2【疑问代词+do+主语(非第三人称单数)+动词原形+其它？】,如：What time do they get up every morning?,改句子 1. Do you often play football after school? (肯定回答) 2. I have some books. （改为否定句） I _ _ _ books. 3. Gao Shans sister likes playing table tennis. （改为否定句） Gao Shans sister_ _playing table tennis. 4. She lives in a small village near New York. （改为一般疑问句） _ she _ in a small village near New York? 5. I watch TV every day. （改为一般疑问句） _ _ _ TV every day? 6.He goes to school at seven.(对划线部分提问) _ _he _ at seven?,Exercise4,Yes, we do.,dont have,doesnt like,Does,live,Do,you,watch,any,What,does,do,1. Listen! Who _ (read) English? Han Meimei is. She often _(read) English in the evening. 2. Where _ (be) Tom and Jim? They _ (play) football. _ LinTao _ (play) footballs too? No, he _ (draw) pictures. 3. Where _ their father_ (work)? He _ (work) on a farm. But now he _ (not work). He _(stay) at home. 4. What time _ the shop _ (close)? It _ (close) at nine oclock in the evening.,is reading,reads,are,are playing,Is,playing,is drawing,does,work,works,isnt working,is staying,does,close,closes,用一般现在时或现在进行时填空:,Exercise5,5.Miss Guo _ (teach) us Chinese this term. She _ (be) a very good teacher. She often _ (talk) with us after class. Many of us like _ (talk) with her. Now, she _ (talk) with Lily.,teaches,is,talks,talking,is talking,把一般现在时改写成现在进行时: 1. He throws a frisbee(飞盘) every afternoon. He _ _ a frisbee（飞盘） now. 2. My parents often make cakes for me. My parents _ _ cakes for me now. 3. They must clean the bedroom once a week. Look! They _ _ the bedroom. 4. The students read Engli