Lesson 129 seventy miles an hour.pptVIP

Listen to the text * Lesson 130 He can’t have been… He must have been … must 一定，肯定（表示判断） He must be a doctor. 他肯定是一名医生。 对现在事实的推测 can’t 不可能，一定不是 She can’t be a teacher. 有客观事实作为依据进行的推测和判断, 而且是对现在事实的推测和判断。 must be / do can’t be/ do后面加动词原形 在这里be 只是动词原形的符号： Eg:--- Where is Steven? --He must have classes in the classroom. He must be a doctor. 他肯定是一名医生。 He must have been a doctor. 他那时肯定是一名医生。 对现在事实推测 对过去事实的推测 must have been/done… can’t have been/done 后面接动词的 完成式 must / ill He must be ill. He must have been ill. 他肯定生病了。 他那时候肯定病了。 He must have been__________. fishing policeman/ doctor He can’t have been a_______. He must have been a ________. have classes watch TV He can’t have __________. He must have __________. had classes watched TV kicking the ball water the flower It can’t have been _______. It must have been ________. singer/ doctor He can’t have been a_______. He must have been a ________. He must have been_______. He can’t have been________. old/young young old Rewrite sentences: I think she was Danish? (Swedish) I don’t think she was. She can’t have been _______. She must have been_________. Danish Swedish I don’t think it was. It can’t have been __________. It must have been____________. 2. I think it was cheap. (expensive) cheap expensive I don’t think they were. They can’t have been __________. They must have been____________. 2. I think they were sitting. (standing) sitting standing Lesson 129 Seventy miles an hour. 1. wave v. wave to 向…招手 Eg: The policeman is waving to you. 2. track n. 跑道 3. mile 英里 4. overtake 从后面超车 5. speed limit 限速 6. sign v 标记，牌子 overtook-----overtaken The car overtook the truck. 7. dream v 做梦，思想不集中 8. driving licence 驾驶执照 9. charge v. 罚款 10. darling 亲爱的 Ann: Look, Gary! That policeman’s waving to you. He wants you to stop. Policeman: Where do you think you are? On a race track? You must have been driving at seventy miles