The doctors have not yet decided how the woman died.请问：这里的yet是干什么的?能否去掉?
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The doctors have not yet decided how the woman died.请问：这里的yet是干什么的?能否去掉?
The doctors have not yet decided how the woman died.
请问：这里的yet是干什么的?能否去掉?
The doctors have not yet decided how the woman died.请问：这里的yet是干什么的?能否去掉?
not yet
尚未,还没有
在现在完成时的句子中,already常用于肯定句,yet常用于否定句和疑问句,但yet还有其他用法.
⒈用于否定句中,意思是“还、尚、迄今、到那时”.例如：
He is not yet here. 他还未到.
At three o'clock they had not yet decided whether to play basketball or not.
三点钟时他们尚未决定是否去打篮球.
⒉用于疑问句中,意思是“已经”.例如：
Is everything ready yet 一切都准备好了吗?
⒊与比较级连用,意思是“更”.例如：
You must work yet harder. 你还需更努力地工作.
⒋与once,again,another 连用,意思是“再”.例如：
He has made yet another mistake.
他又犯了一个错误.
⒌用于肯定句中,意思是“仍然、还得”.例如：
She is yet a child. 她还是个孩子.
⒍用作并列连词时,意思是“然而、可是”.例如：
He studied hard yet he failed.
他学习努力,可是考试仍未及格.