yet 可以放在句中吗比如Have you yet eaten?

yet 可以放在句中吗比如Have you yet eaten? yet放在句子哪里?放在句中可以吗?还有一个问题,请帮我找一下错误：I have yet finished my work so far. I have already seen that.中的already为什么放在这.I haven't seen that yet.中的yet为什么又在这. yet放在句尾怎么用? yet放在句尾是什么意思 ever和yet在疑问句中可以互换吗比如have you ever been to shanghai你曾经去过上海吗,和have you been to shanghai yet?你已经去过上海了吗意思一样吗,总感觉有点不一样,可是有差不多也……………………… 可以放在句首吗如Yest it is incorrect.这样说是否正确?yet后是否要加逗号 do yo have some yet在现在完成时中是否都是放在句末 I have yet to find the answer.= I have not as yet found the answer.have yet to 是只能用于主动的动作,比如I have yet to make a decision.还是可用于非主动的情况,比如I have yet to find the answer.have yet to 有还差什么没做 although可以放在句中吗? respectively可以放在句中吗 have your mechanics finished yet?请问yet在这里是已经得意思吗? Yet the giraffe has only 7 bones in its neck,为什么这句的yet没放在句末?yet能放在句首吗? studies have yet to answer the question of how well they are teaching it.怎么翻译,yet怎么翻译,为什么不放在have前,yet是副词啊,还有how well是一起做的成分吗,做的什么成分,怎么翻译呢? Have you read____newspaper yet? 造句：Have you .yet? already可以放在句末用吧?比如we are late already.可以不?