The s

simple form of the present tense 

past tense: past

present tence: now

futrue tence​: futrue

I play     You pay     He/She play

We play      They play

talk   nbhg8zucxjtcrvfbg chk,ijKih6FUGYVHJTKF0OPXZ[;?

当主语是第三人称单数 时动词加s

主语数量和动词统一

A verb expresses action or a state of being.

A verb indicates when the action happens.=tense

A verbindicates number= singular or plural

The student talks             

                 verb

             Present tense

                singular

A verbexpersses 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 (singular)  the students talk(plural）

the student talks                the students talk

               singular                           plural

the student talks                   

                    verb

          present renst

                 singulr

i want to  dive

Subject   Verb   Agreement

A verb express action or a state of being.

A verb indicates when the action happens.=tence

The student talks   verb   present tense singular

A verb  indicates number.=singular or plural

The students talk 

 plural

If the person is singular.The verb should plus"s".

If the person is plural.Use the verb archetype.

The student talks.