现在完成时态中already, yet, just, never, ever用法区别1、already意思是“已经”通常用于陈述句中（放在have和has的后面）也可用于疑问句，表示期望得到肯定的回答或表示惊异，此时already常放在句末。She has already found her bike.Has she found her bike already？她已经找到自行车了？2、yet用法yet可用于否定句，此时译为“还”；I havent found my ruler yet.也可以用于疑问句，译为“已经”（放在have和has的后面也可放在句末）Have you found your ruler yet？你已经找到尺子了吗？3、just只用于陈述句意思是“刚才”（放在have和has的后面）I have just received a letter.4、never用于否定句译为“从不”（放在have和has的后面）Ive never been to Beijing.5、ever用于疑问句译为
