小学英语时态之现在进行时课件.ppt
小学英语时态小学英语时态之之 现在进行时现在进行时四种时态n现在进行时n一般现在时n过去时n将来时现在进行时构成:主语+be+动词ing Tom is doing his homework. 第一人称+am+v-ing 第二人称+are+v-ing 第三人称+is+v-ing Im/Youre/Hes /Shes /Were/Theyre (not) working. 定义：现在进行时表示现在或当前一般时间正在进行的动作。现在进行时口诀：我用am，你用are，is用在他她它，单数名词使用is ，复数名词使用aren动词动词ing的变化规律： 1）直接加ing ，如： open-opening, clean-cleaning, meet-meeting, sing-singing, study-studying, 现在进行时2） 去掉词尾不发音的e ，如：take-taking, close-closing, come-coming, drive-driving, have-having, use-using, write-writing, practice-practicing, become-becoming 3） 重读闭音节的，双写最后的字母，加 ing , 如： sit-sitting, put-putting, begin-beginning , get-getting, swim-swimming, run-running, cut-cutting, 现在进行时nstudy_ make_ swim_nStop_ come_ close_nHave_ run_ drive_nWash_ begin watch_nTake talk put现在进行时n标记 listen！. look!. now. .at the moment. .at present. 现在进行时n1Mr Zheng (read) a book now.n2. The rabbits (jump) now.n3. Look ! Tom and John (swim).n4. My brother (make) a kite in his room now.n5. Look! The bus (stop).n6. We (have) an English class now.现在进行时n7. Listen! Someone is (come).n8. They (catch) butterflies now.n9. He (do) an experiment now.n10. They (collect) stamps now.n11. Look! He (dive) now.n12. Tom ( watch ) TV in the dining room.现在进行时n1)现在进行时的肯定形式：主语+be (am/ is/are) +doing+其他成分I am singing . They are writing .n2)现在进行时的否定形式:主语+be (am/ is/are) +not +doing+其他成分I am not singing . They arent writing . 现在进行时n3）一般疑问句及回答：be(am/ is/are)+ 主语+doing+其他成分Am I singing ? Yes ,you are . / No ,you arent . Are they writing ? Yes ,they are . / No ,they arent .n4)特殊疑问句及回答:特殊疑问词+be(am/ is/are)+主语+doing+其他成分 What are you doing ? We are playing (要求就提问内容具体回答).现在进行时n句型转换n按要求改写句子n1. The boy is playing basketball.n否定句：_n一般疑问句：_n肯定回答：_n否定回答：_现在进行时n2. They are singing in the classroom.n否定句：_n一般疑问句：_n肯定回答：_n否定回答：_对“are singing “提问：_对” in the classroom“提问：_现在进行时n口诀： 加-ing 有规律，一般加上没问题。词尾如有哑音e, 去e再加-ing。“辅音重读闭音节”，末尾字母要双写。 开始上课请坐（sit）好，忘掉游泳(swim)，忘掉跑(run)，让(let)我把书本摆放(put)好，认真听讲，获得(get)知识无价宝。现在进行时n口诀主语放在句首，am, is, are紧随其后。现在分词跟着走，其它成分不能丢。表示动作正进行，Look! Listen! now做标记。一般疑问这样变，把be提到主语前。否定句式也简单，be后再把not添现在进行时n1. What are you doing? I_.nA. eat B. can eat C. eating D. am eatingn2. We are _ books now.nA. reading B. am reading C. read D. to readn3. Our teacher is _ a red sweater .nA. putting on B. put on C. wears D. wearn4. That boy isnt _ the teacher .nA. listen B. listens C. listening D. listening to现在进行时n5. Its eight oclock. Jimmys parents _ TV.A. is watching B. are watching C. watch D. to watchn6. My mother is _ a cake _ my birthday.A. making ; to B. making ; for C. doing ; to D. doing ; forn7. They are _ these books in the box.A. puts B. put C. to put D. puttingn8. _ you _ the window? -Yes, I am.A. Do, clean B. Is, cleaning C. Are, cleaning D. Do, cleaning现在进行时n1. What are you _(do) now? I _(eat) bread.n2. Its nine oclock. My father _ (work) in the office.n3. Look, the boy _(put) the rubbish into the bin.n4. _ he _(clean) the classroom? No, he isnt. He _(play).n5. Where is Mike? He _(run) on the grass.n6. Listen, who _(sing) in the music room?现在进行时n1.she,the window,open,now.(用现在进行时连词成句.)n_n2.The birds are singing in the tree.(就划线部分提问)n_n3.is,who,the window,cleaning?(连词成句)n_n4.The children are playing games near the house.(就划线部分提问)n_现在进行时n5.She is closing the door now.(改成否定句)_n6.You are doing your homework.(用”I“作主语改写句子) _ 7.they,the tree,sing,now,under.(用现在进行时连词成句.) _8.The Young Pioneers are helping the old woman.(改成一般疑问句)_
