the best I've ever had 和 the best I ever had区别如题：虽然我知道是时态不同.但是我还是想知道上面两种表达具体细微区别.

the best I've ever had 和 the best I ever had区别如题：虽然我知道是时态不同.但是我还是想知道上面两种表达具体细微区别.
the best I've ever had 和 the best I ever had区别
如题：虽然我知道是时态不同.
但是我还是想知道上面两种表达具体细微区别.

the best I've ever had 和 the best I ever had区别如题：虽然我知道是时态不同.但是我还是想知道上面两种表达具体细微区别.
The best I have ever had.
is the equivalent of
The best I ever had.You can replace one with another.
"The best I have ever had." "我所曾拥有的最好的".多用于较为书面的语言中.
The Best I ever had.多英语口语,或者非正式的场合.

后面的一个语法错误

后面一个是口语啊，是错误的