英语中i am sold是表结构,那i am back呢?back是属于什么词如题
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英语中i am sold是表结构,那i am back呢?back是属于什么词如题
英语中i am sold是表结构,那i am back呢?back是属于什么词
如题
英语中i am sold是表结构,那i am back呢?back是属于什么词如题
I am back也是系表结构.back是副词
可以作表语的词:
1、名词:
I'm a student.
She is a doctor.
2、代词、数词:
I think the thing is this.
How much I want is three.(我想要的数量是3)
3、形容词(最常见):
People are equal.
He is happy.
Everything is still(静止的).
You are beautiful.
4、副词(比较特殊,仅限于back,in, on, off, out, away, behind, up, down,around, round, below, inside, outside,here, there, upstairs, downstairs一些表方位、方向的词)
I must be off now.(我现在必须走了)
-Where is he? -He is upstairs.
The boy is there.
5、介词短语:
I am at home now.
The students are in the classroom.
6、现在分词、过去分词:
The book is interesting.
My mother is not excited at the news.
I'm very tired.
7、动词不定式to do:
My job is to teach.
My dream is to become a doctor.
8、动名词:
Seeing is believing.(眼见为实)
His wish is buying his mother a car.
9、从句:
The problem is how we can solve the problem.
The fact is that he hit me.(事实是他打了我)
back 是副词
这里是
i am back
主语+系动词+表语副词
名词