职高英语 Unit 7 Health Grammar情态动词.ppt

Practice 1._______ I wait till he comes back? No, you ______. 3.___ you ride a bike? --No, I ____. 4. ______ I go home now? --No, you ______stay here. 5._______ you like to help me? Yes, I _________. 6.My mother is ill. I ____ stay at home and look after her. 7.____ I use your car? --Yes, you ___. 8._____ I begin our class now? --Yes, please. 9.You _______ return the book now. You ______ keep it till next week. 10.--_____ I leave this door open at night? --No, you ______________ . 11.Who’s that girl over there? --I’m not sure. She ____ be our new classmate. 12.The road is wet. It _____ have rained last night. 13.Look at that old woman, she ____ be at least 60 years old. 14. -- Why didn’t Ken come to school today? --I don’t know. He ____ be sick. 15. -- Where’s Tom? --He ____ be on the playground. I saw him there just now. 16.--Where is Ellen? --She ____ be in the hotel. But I am not sure. 19 If you do well in your study, you shall get a gift.（允诺） He shall be punished for what he has done.（命令） You shall do it, whether you want to or not.(命令） You shall pay for it. (威胁） 2. 二、三人称：表说话人给对方的许诺、命令、警告、威胁... 五. Should 与ought to should= ought to (should:主观原因；ought to：客观原因) As students, we should study hard. He ought to be punished because he broke the law. 20 1.should 与ought to should较主观,而ought to更为客观，表示一种社会公德方面的义务，强调责任、义务。 As students, we should learn study hard. 作为学生，我们应该努力学习。 As a child, we ought to take good care of our parents. 座位孩子，我们应该照顾好父母。 21 2. should 表示一种友好的忠告，而ought to 却是一种训示或警告。 You should do good to others. 你应该对人行善。 You ought not to smoke. 你不应该吸烟。 22 我们应该每天练习说英语。 We _________ practise speaking English every day. 在学校，我们应该值日。 We ___________ be on duty at school. 她不应该违反校规。 She ________________break the school rules. 她不应该花那么多钱买衣服。 She ____________ spend so much money on clothes. should ought to ought not to shouldn’t 24 Will you dance with me? Will you go with me? Will you give him a me