1."anything"任何东西;是不定代词,常用于问句和否定句中用来代替 something,肯定句用 something,但在表示请求和建议的问句中还是用something. Do you have anything to say? I don't have anything to do this afternoon. 2."any thing" 任何一件事,主要用于条件状语从句中,If you have any thing,let me know. 3."many thing"这是个错误表达法,应该是many things许多事. 4."many things,许多事 I have many things to do today. There are many things in my bag.