英语高手の地盘（2）

简单的说就是and前后

it he she that this those ...
都是不定代词

两个主语用and、or、but等连词连结，并共享一个谓语，这样的主语叫做并列主语。例如：
He and I agree to take up the job.
He and I是并列主语。又如：
What he says and what he does don't agree.
两个谓语用and、or、but等连词连结，这样的谓语叫做并列谓语。例如：
He went out and reached to his car and got into it.
此句中的三个谓语都用and连结起来，它们是并列谓语。
不定代词指不具备人称性和指示性的代词。例如：somebody, anybody, everybody, nobody, anything, nothing, none, no one, one, anyone, some, any, little, few, all, half, other, another, either, neither, many, such, ...