一般来说,some 主要用于肯定句,但实际运用中在一些场合 some 也可用于疑问句和条件句,其含意与 any 有一定的区别。例如:1.用于疑问句1)希望得到肯定的答复。①Are you expecting some visitors this afternoon(说话人认为下午有人要来。)比较:Are you expecting any visitors this afternoon(说话人不知道下午是否有人要来。)你认为下午有人来吗②Didn’t you meet some acquaintances(说话人认为碰到了熟人。) In general, some are mainly used for affirmative sentences, but in some applications, some can also be used in interrogative sentences and conditional sentences in practical applications. Its meaning is different from that of any. For example: 1. For questions 1) Hope to receive a positive reply. 1Are you expecting some visitors this afternoon (The speaker thinks someone is coming in the afternoon.) Compare: Are you expecting any visitors this afternoon? The speaker didn’t know if anyone would come in the afternoon. Do you think someone came in the afternoon? 2Didn’t you meet some Acquaintances (The speaker thinks that he has met acquaintances.)