Grammar問題！急需答覆...thx

我認為『we have yet to start』這句句子是錯誤的,

因為yet是用於否定句或疑問句中,

多數用於完成式上...

而『we have not started yet』在文法上是正確的,

意思是『我們還未開始』,

如果將『we have yet to start』

轉為『we have started already』,

意思就會是『我們已經開始』,

與『we have not started yet』的意思相反

we have yet to start和we have not started yet，這兩句文法都正確

yet意思是：還，仍然；而have to是必須，所以have yet to的意思是：還得要

We have yet to start的意思是：我們還得要開始（＝我們還未開始）

你大可查看Cambridge Dictionary Online就可看到have yet to的意思，與例句