Lesson 5-8 | 核心句型：What nationality are you? | 语法点：人称代词主格与be动词搭配
be动词有三种形式：am, is, are，需要与人称代词搭配使用。
| 人称代词 | 含义 | be动词形式 | 肯定句 | 一般疑问句 | 缩写形式 |
|---|---|---|---|---|---|
| I | 我 | am | I am a student. | Am I a student? | I'm = I am |
| you | 你/你们 | are | You are a teacher. | Are you a teacher? | you're = you are |
| he | 他 | is | He is a doctor. | Is he a doctor? | he's = he is |
| she | 她 | is | She is a nurse. | Is she a nurse? | she's = she is |
| it | 它 | is | It is a car. | Is it a car? | it's = it is |
| we | 我们 | are | We are friends. | Are we friends? | we're = we are |
| they | 他们/她们/它们 | are | They are workers. | Are they workers? | they're = they are |
记忆口诀：我用am，你用are，is连着他她它，单数名词用is，复数名词全用are。
以疑问词开头，对句子中某一成分提问的问句，不能用Yes/No回答。
结构：疑问词 + 一般疑问句语序？
| 疑问词 | 含义 | 用法 | 例句 |
|---|---|---|---|
| what | 什么 | 询问事物、名字、工作等 | What's your name? 你叫什么名字？ |
| what nationality | 什么国籍 | 询问国籍 | What nationality are you? 你是哪国人？ |
| what make | 什么牌子 | 询问产品品牌 | What make is the car? 这车是什么牌子的？ |
| what job | 什么工作 | 询问职业 | What's your job? 你做什么工作？ |
不定冠词用于单数可数名词前，表示"一个"的概念。
| 使用a的情况 | 使用an的情况 |
|---|---|
| a pen 一支钢笔 | an apple 一个苹果 |
| a book 一本书 | an egg 一个鸡蛋 |
| a teacher 一位老师 | an engineer 一位工程师 |
| a university 一所大学（u发/ju:/是辅音） | an hour 一小时（h不发音） |
| 国家 | 国籍 | 国家 | 国籍 |
|---|---|---|---|
| China 中国 | Chinese 中国人 | Germany 德国 | German 德国人 |
| England 英国 | English 英国人 | France 法国 | French 法国人 |
| America 美国 | American 美国人 | Italy 意大利 | Italian 意大利人 |
| Sweden 瑞典 | Swedish 瑞典人 | Japan 日本 | Japanese 日本人 |
| Korea 韩国 | Korean 韩国人 | Spain 西班牙 | Spanish 西班牙人 |
1. I ______ a student.
am
2. She ______ a nurse.
is
3. ______ you French?
Are
4. This ______ my car.
is
5. They ______ teachers.
are
1. He is ______ engineer.
an
2. She is ______ keyboard operator.
a
3. It is ______ apple.
an
1. 你是做什么工作的？
What's your job?
2. 我是中国人。
I'm Chinese.
3. 他是一名工程师。
He is an engineer.