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使用连系动词时应当注意以下几个问题：

（一）除be以外的连系动词在用法上与be有点不同，有be 动词的句子变为疑问句或否定句时，直接前提或加not。

e.g.: He is in the classroom. Is he in the classroom?

He is not in the classroom.

而其他连系动词变疑问句或否定句时与实义动词相同。

e.g.:

The language spoken in these places stayed the same.

→Did the language spoken in these places stay the same?

→The language spoken in these places didn't stay the same.

（二）A: 一般来讲，连系动词之后用形容词作表语可

表示主语的性质、特征，这时用"怎么样"提问。如：

The book is interesting. interesting 是形容词，表示主

语book 的性质，对表语进行提问可以说：

How is the book?

B: 名词作表语表示主语的身份, 回答"什么"的问题。如: He is a teacher. teacher是名词, 它表示主语的身份, 对表语进行提问可以说：What is he?

C: 副词、数词、代词、介词短语、分词、动名词都可以作表语，分别表示不同的含义。如：

The professor is at home. at home 为介词短语

The computer is mine. mine 为代词；Five and six is eleven. eleven为数词；He is out. out 为副词.

My job is looking after the children. looking ... 为动名词短语; The film is moving. moving 为分词

Exercise:

1. His voice ____ as if he has a cold.

A. sounds B. listens

C. hears D. seems

2. These apples taste _____. 　　

A. to he good B. to be well

C. well D. good

3. - Do you like the shirt?

　 - Yes, it ____ very soft.

　A. feels B. felt

C. is feeling D. is felt

4. She____ like her mother in character.

　A. looks B. seems

C. is D. feels

5. His wish to become a driver has ____ true.

A. turned B. realized

C. come D. grown

6. The moment Mr. Zhang went to bed, he ____ asleep. 　　

A. kept B. got

C. fell D. fall