A verb expresses action or a state of being.

A verb indicates when the action happens.=tense

A verb indicates number = singular or plural.

subject-verb agreement : the verb should agree in number with the subject.

The student talks.

The students talk.

Lesson 1:

A   verb  expresses   action  or   a   state  of  being.

A   verb   indicates  when  the  action  happens.=tense

A  verb  indicates  number.=singular  or  plural

Subject-verb  agreement: the  verb  should  agree  in  number  with  the  subject

1. A  

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• A verb expresses action or a state of being.
• A verb indicates when the action happen.=tense.
•  A verb indicates number.=singular or plural.
• Subject-verb agreement:the verb should agree in number with the subject.

if subject is singular ，use singular 

verb 

if the subject is plural ，use plural verb 

可数名词，不可数名词

主谓一致1 lesson 1 主语动词一致性

tense 

singular 

plural 

The student talks-singuler

The students talk-plura