新概念英语第一册第128课【课文讲解】

世博英语Andy老师原创教程。未经世博英语书面授权，任何媒体和个人不得转载！

今天我们主要练习句型，他不可能……，他肯定……

下面先来看一个示范：

Joy: He must be a teacher.
Andy: He can’t be a teacher. He must be a student.

下面开始替换练习：

1）Joy: It must be your new hat.
Andy: It can’t be my new hat. It must be my old hat.
2）Joy: He must be ill.
Andy: He can’t be ill. He must be tired.
3）Joy: She must be Danish.
Andy: She can’t be Danish. She must be Swedish.
4）Joy: He must be a dentist.
Andy: He can’t be a dentist. He must be a doctor.
5）Joy: She must be forty.
Andy: She can’t be forty. She must be fifty.
6）Joy: It must be the 20th.
Andy: It can’t be the 20th. It must be the 21th.
7）Joy: He must be the youngest.
Andy: He can’t be the youngest. He must be the oldest.
8）Joy: He must be reading.
Andy: He can’t be reading. He must be sleeping.