Unit 2 Section Ⅲ Grammar-2021-2022学年高中英语必修3【名师导航】同步课件PPT(人教版)

Unit 2　Healthy eating Section Ⅲ　Grammar 情态动词(Ⅱ) 1 语法精要·点拨 返首页 语法应用·落实 1 2 语法精要·点拨 返首页 语法应用·落实 2 情态 实义 动词 一定已经发生了 ought to 需要 不得不 3 语法精要·点拨 返首页 语法应用·落实 3 语 法 精 要 点 拨 4 语法精要·点拨 返首页 语法应用·落实 4 5 语法精要·点拨 返首页 语法应用·落实 5 6 语法精要·点拨 返首页 语法应用·落实 6 7 语法精要·点拨 返首页 语法应用·落实 7 oughtn't/ought not to scold ought to be more careful 8 语法精要·点拨 返首页 语法应用·落实 8 you ought to Ought I to leave 9 语法精要·点拨 返首页 语法应用·落实 9 10 语法精要·点拨 返首页 语法应用·落实 10 11 语法精要·点拨 返首页 语法应用·落实 11 12 语法精要·点拨 返首页 语法应用·落实 12 had to mustn't tell don't have to 13 语法精要·点拨 返首页 语法应用·落实 13 14 语法精要·点拨 返首页 语法应用·落实 14 15 语法精要·点拨 返首页 语法应用·落实 15 16 语法精要·点拨 返首页 语法应用·落实 16 17 语法精要·点拨 返首页 语法应用·落实 17 needn't clean it Need I stay you must you needn't 18 语法精要·点拨 返首页 语法应用·落实 18 19 语法精要·点拨 返首页 语法应用·落实 19 20 语法精要·点拨 返首页 语法应用·落实 20 21 语法精要·点拨 返首页 语法应用·落实 21 22 语法精要·点拨 返首页 语法应用·落实 22 should have arrived couldn't have enjoyed 23 语法精要·点拨 返首页 语法应用·落实 23 needn't have hurried 24 语法精要·点拨 返首页 语法应用·落实 24 语 法 应 用 落 实 25 语法精要·点拨 返首页 语法应用·落实 25 ought to/should have given mustn't smoke needn't have hurried have to go 26 语法精要·点拨 返首页 语法应用·落实 26 needn't buy must have rained ought not to speak must come ought to/should go must have been 27 语法精要·点拨 返首页 语法应用·落实 27 can't have gone have to attend an important class meeting should be limited to 400 words or so 28 语法精要·点拨 返首页 语法应用·落实 28 needn't have worried needn't get up early 29 语法精要·点拨 返首页 语法应用·落实 29 Thank you for watching ! 30 语法精要·点拨 返首页 语法应用·落实 30 语 境 自 主 领 悟 先观察原句 ①By now his restaurant ought to be full of people. ②Does your father need any help？ ③What do we need to take for the picnic？ ④There is enough time.You needn't hurry. ⑤His mother is ill.He has to stay at home to look after her. ⑥Something terrible must have happened if Li Chang was not coming to eat in his restaurant as he always did. 语 境 自 主 领 悟 后自主感悟 1.以上句子中，句①④⑤⑥中的黑体词都是 动词，而句②③中的黑体词是 动词。 2.以上各句中的情态动词后都接 原形。其中句⑥中must have happened的意思是“ ”。 3.上述句子中 意为“应该”；need意为“ ”；has to意为“ ”。 一、ought to