新概念青少版3B Unit23 Whose mistake

新概念青少版3B Unit23 Whose mistakez谁的错？ 教学用PPT

Unit 23 whose mistake?

新概念青少版3B Unit23 Whose mistakez谁的错？ 教学用PPT

Who had made a mistake? Why?

新概念青少版3B Unit23 Whose mistakez谁的错？ 教学用PPT

Answers for listening听力答案 In front of the television The pictures weren’t very good, and the sound was terrible A month late, on a TV chat-show

Two famous artists He asked them about their travels. Because he thought that their stories must be much more interesting than his.

新概念青少版3B Unit23 Whose mistakez谁的错？ 教学用PPT

Pattern practice句型练习

Can’t be/can’t have beenmust be/must have been

表示推断 两种形式 Must be/can’t be-指现在和将来

Must have been/can’t have been-指过去

新概念青少版3B Unit23 Whose mistakez谁的错？ 教学用PPT

It is here-绝对肯定 It must be here/it must have been here-合理的推论，基本肯定。

新概念青少版3B Unit23 Whose mistakez谁的错？ 教学用PPT

Must be-can’t be It can’t be here/it can’t have been here。

新概念青少版3B Unit23 Whose mistakez谁的错？ 教学用PPT

新概念青少版3B Unit23 Whose mistakez谁的错？ 教学用PPT

新概念青少版3B Unit23 Whose mistakez谁的错？ 教学用PPT

新概念青少版3B Unit23 Whose mistakez谁的错？ 教学用PPT

他们以前是工人吗？ Were they workmen? 他们不是，他们应该是学生。 No, they can’t have been workmen. They must have been students.

新概念青少版3B Unit23 Whose mistakez谁的错？ 教学用PPT

你看到了她，是吗？她是最年 轻的吗？ You saw her, didn’t you? Was she the youngest? 她不是，她是年纪最大的。 No, she can’t have been the youngest. She must been the oldest.

新概念青少版3B Unit23 Whose mistakez谁的错？ 教学用PPT

Pronunciation语音 The doorbell rang at six o’clock in the morning. ‘Who can that be?’ Annie said. ‘It can’t be the postman. It’s too early.it can’t be my niece.it must be a mistake. Did I dream it?’ she asked. ‘No! Somebody rang my doorbell!’ It must have been real! She got up and went in to the hall. There was a note on the floor. ‘Sorry to call so early,’ it said. You must have been asleep. Someone has left a lot of plants in front of my house. I think the plant must be yours. Please can you take them away? I want to get my car out! Best wishes, your neighbor opposite.’

新概念青少版3B Unit23 Whose mistakez谁的错？ 教学用PPT

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