1)由some, any, no组成的复合代词：someone, something, somebodyanyone, anybody, anythingno one, nobody, nothing这些代词只能用作单数，用法与some, any, no相似。

　　【例如】

　　No one in the family could understand Jack.There is something important in today's newspaper. Do read it carefully.There is nothing important in the meeting. We'd better stop now.everyone, someone, anyone与every one，some one，any one用法不同。前者有所有格，而后者没有。everyone, someone, anyone指人，而every one，some one，any one可以指人，也可指物。

　　【例如】

　　①I have no interest in anyone's personal things.

　　②Don't you believe that I do this for everyone's sake?

　　③These books, any one of which is of great value, are written by a famous modern writer.

　　④Anyone has the right to vote if he is an adult citizen.

　　2)由some, any, no组成的复合副词：somewhere, nowhere, anywheresomehow, anyhowsomewhat

　　【例如】

　　I am sure you will find him somewhere near the school.I went nowhere during the vocation.Anyhow, we must try our best to save him. (anyhow: by any possible means)We must get money for the rent somehow. (somehow: in some way, by one means or another)I am somewhat disappointed at his decision. (somewhat: in some degree)