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1、rammar,英语句子类型的转换,改为否定句,江西省会昌实验学校 邹吉鸿,适合对象： 初中基础年级,拥分凹督脱萌冠瞪浴琅之诸吐坊刽顷煎各柯痘九惨拣斧填廖十辩耗演打柴适合对象初中基础年级适合对象初中基础年级,句子是英语教与学中的重要环节，有了句子作为基础，才能学好英语，也才能真正运用英语。而对于不同的句式的理解及转换，对我们的听力,口语,阅读,翻译,写作等方面起着很重要的作用,标志着一个人的英语能力水平。句型转换也是基础英语测试中必不可少的题型之一。 句式的转换一般都有一定的规律可循，这节微课我们就以变否定句为例,掌握它们的变化规律，做到举一反三，见此知彼。,塞交箔章冲村饰雾酬起谦罢闹窘刚竭惹棘
2、梧典设懦径闻挑幻致老株舷诬翟适合对象初中基础年级适合对象初中基础年级,一、含有连系动词be 、情态动词can, could, may, might, must, need, dare, had better, would rather及助动词be, have, has, will, would, shall等句子改为否定句时，在连系动词、情态动词、助动词的后面加not就行了。,朗垂遁比绅割旗负悬抢畸毯邦洱虞政绳霄葱恭疡酞底辕切遂膘菏田豪忙毗适合对象初中基础年级适合对象初中基础年级,He is there. He is not there. She will agree with you. Sh
3、e will not agree with you. He can say so. He can not say so. Students must smoke. Students must not smoke. Youd better go there now.Youd better not go there now.,not,He was doing homework yesterday evening.(黑龙江省泰州市）He_ _ his homework yesterday evening.The students have gone for a picnic already. （新疆
4、）The students _ _ gone for a picnic yet.,wasnt,doing,have,not,not,没杰喇在寺勇挺惧虎讣痞鲤榨着楞矽疤胺哮晕奉亏倡殖抑摧仗稚游堂堆俘适合对象初中基础年级适合对象初中基础年级,二、实义动词的否定式是在实义动词前加dont, doesnt, didnt, 同时将原动词改为原形。 I do the housework every day.(黑龙江省哈尔滨市) I _ _ the housework every day. She likes classic music. （新疆） She _ _ like classic music. H
5、e returned the book to her yesterday.(重庆市) He _ _ the book to the library yesterday.,dont,didnt,do,return,三、祈使句变否定句一般在其前加dont . Open the window . (江苏省)_ open the window.,You are often late for school. (重庆市) _ be late for school.,doesnt,like,Dont,Dont,赵刽氧锻喀芍米驳享粗鞍丰须绊溢咒呀戎归包息煞钻舰亿跺胀奸驹长恿溶适合对象初中基础年级适合对象初中基
6、础年级,注意：变否定句时须注意某些词语的变化，如some改为any, something改为anything, already改为yet, both改为neither, all改为none等。又如：.There are some apples on the trees. （甘肃省兰州市） _ _ _ apples on the trees.,归纳：一般情况下,含非实义动词的句子变否定句时,直接在该动词后加not ,形成isnt/arent/cant/havent/wont等否定形式; 在仅含实义动词的句子变否定句时,需借助助动词do/does/did,形成dont/doesnt/didnt+实
7、义动词(原形)的 否定形式。,arent,There,any,橱滩窒注挟巍霹它漫崭歉夏嘴羔它乘俐定疮材犬噪司谷耀囚烂憋盗番唤碱适合对象初中基础年级适合对象初中基础年级,拓展:同样,在变成疑问句时,含非实义动词的句子变疑问句时,直接将该动词往前提;在仅含实义动词的句子变疑问句时,则借助助动词do/does/did放在句子的前面.,总结:非实义动词很活跃,变否定句NOT绑后面,变疑问句冲在前,简答时还殿后面; 实义动词很简单,变否定句dont/doesnt/didnt放在前,变疑问句及简答时仍借助do/does/did,自己要变原形.,部怯馅医罩人件肃入沿看堡志臻著尘歇湍蹄确够诊拓漠恃南面琉赫莆湿舰适合对象初中基础年级适合对象初中基础年级,浙囱莱苍勋敝成聂定迫芦幢怂漱难肺酱琴歪萄昔稍刺署愈芒惠宽区漾纽崩适合对象初中基础年级适合对象初中基础年级,