1. 单词部分
famous adj. 著名的
actress n. 女演员
-er -> employer -> 主动
-ee -> employee -> 被动
-ist -> tourist 旅游者
-ess -> air hostess 空姐 , waitress , goddess 女神 ， manageress 女经理 -> 特指女性
at least 至少
actor n. 男演员
-or -> operator , visitor , editor 标记着, translator 翻译者
read v.（read , read ） 通过阅读得知
2. 课文部分
Can you recognize that woman , Liz?
I think I can , Kate .
It must be Karen Marsh, the actress .
Liz， 你能认出来那个女人吗？
Kate, 我能认出来， 她很可能是凯琳， 著名的演员。
recognize 认出，识别，承认
It must ...
在汉语中 用It表示很不礼貌， 但在是英语中， 当我们的性别或者身份不确定的时候可以用it来指代人。
Who is it? It's me .
第一不确定敲门的人是男的还是女的，也不知道是谁， 所以用 It.
Is it a boy or girl ? 男孩还是女孩啊？ It's a girl. 它是个女孩。
I thought so.
我也这么认为。
thought 是think的过去式
Who's that beside her ?
那她旁边是谁？
That must be Conrad Reeves.
Conrad Reeves, the actor ?
那个是凯拉德。
男演员吗？
It can't be. 他不可能是。
Let me have another look. 让我在看一看。
I think you're right! 我想你是对的。
Isn't he her third husband? 他是她的第三个丈夫吗？
No, He must be her fourth or fifth. 不是， 他是第四个或者第五的。
Doesn't Karen Marsh look old. Karen Marsh 看上去不显老嘛？
She does, doesn’t she? 是啊， 谁说不是呢。
I read she's twenty-nine, but she must be at least forty .
我从报上看到她是29岁， 但是 他一定至少 40 岁了。
I'm sure she is . 我确定他已经40 岁了。
She was a famous actress when I was still at school . 当我还在上学的时候，她已经是著名演员了。
That was a long time age, was's it? 那是很久以前的事了,是吗？
Not that long age! 没有那么旧。
I'm not more than twenty-nine myself. 我现在自己还没有29岁呢。
no more than 仅仅，才 -> 强调的时候少
not more than 最多，不超过 -> 强调的是上限， 多
I have no more than ten dollars in my pocket. 我口袋李才10美元。
I have not more than ten dollars in my pocket. 我口袋里最多只要10 美元。
I have learnt no more than two hundred words this week. 这周我才记了200个单词。
I can learn not more than two hundred words this week. 这周我做多能记200个单词。
There are no more than twenty students in the classroom. 这个教室里才20个学生。
There are not more than twenty students in the classroom. 这个教室里不超过20个学生。
3. 语法部分
It must be Karen Marsh ...
must 必须
must be 是英文中用来表示用事实所做的推论，往往翻译为”一定“。
It must be true.
It must be 8:00. 肯定是8点了。
He must be ill. 他肯定是病了。
She must be over twenty years old. 她一定20 多岁了。
She must be under thirty years old. 她一定不到30岁。
must be 的否定结构是 can't be (不可能) ->表示对现在存在的状态的一种否定推测。
It can't be false.
It can't be 12:00. 肯定没有12点。
must + be + 动词ing（动词的现在分词的结构） -> 对现在正在发生的动作的一种肯定推测。
He must be sleeping at home now. 他现在肯定正在睡觉呢。
They must be having lunch. 他一定正在吃午饭。
She must be working in the office. 他一定在办公司工作。
can't + be + 动词ing（动词的现在分词的结构） -> 对现在正在发生的动作的一种否定推测。
He can't be sleeping at home now. 他现在肯定没有在睡觉呢。
They can't be having lunch. 他一定没有在吃午饭。
She can't be working in the office. 他一定没有在办公司工作。
must have + 动词的过去分词 -> 表示对过去发生的动作的肯定推测
He must have had lunch . 他可定吃过午饭了。
He must have arrived. 他已经到了。
He must have finished her work. 他已经完成的他的工作。
can't have + 动词的过去分词 -> 表示对过去发生的动作的否定推测
He can't have had lunch . 他可定没吃过午饭了。
He can't have arrived. 他还没到了。
He can't have finished her work. 他还没有完成的他的工作。
Who's that beside her?
that 指人
Not that long time.
that 是副词， 课文中用斜体 表示强调
4. 单词句型讲解
must be -> 表示现在存在的状态的一种肯定性的推测。
She must be busy. 他一定很忙。
He must be ill . 他一定是病了。
He must be German. 他一定是德国人。
must + 动词原形 -> 必须
They must be here at seven o'clock. 他们必须在7点钟在这。
They must be in London Next week. 下周他们必须去伦敦。
You must be at the office early tomorrow. 明天你必须很早的来办公室。
5. 知识拓展
I think she is French.
I don't think so, She can't be French.
She must be German.
I think he is Italian.
I don't think so , She can't be Italian.
He must be American.
I think she is a doctor.
I don't think so, She can't be doctor.
She must be nurse.
I think she is twenty-nine.
I don't think so , She can't be twenty-nine.
She must be forty.
I think he is reading .
I don't so , He can't be reading.
He must be watching TV.
I think she is young.
I don't think so , She can't be young.
She must be old.
I think it is difficult.
I don't think so , It can't be difficult.
It must be easy.