1、表语从句概述用作表语的从句叫作表语从句，它位于主句中的连系动词之后。引导表语从句的词有从属连词that、whether、asthough(if)；关系代词who,what,which,whom,whose,whatever,whoever,whomever,whichever等；关系副词when,where,why,how,however,whenever,wherever等。可以接表语从句的连系动词由be,look,remain,seem等。That引导表语从句时，在口语中，间或可以省略。Thetroubleisthatweareshortofmoney.困难是我们资金...
