1.
have ever done,
ever 在肯定句中,一般是比較事物的時候用于強調(diào).
have ever done 這個,應該是常見用做定語從句.我曾經(jīng).過的...
He is the tallest boy I have every met.
2.
have never done 代替not,強調(diào)否定句
3
一般意義上的,曾經(jīng),發(fā)生過,做過,不做比較時,不是用ever 這個詞,而是：
once,
at one time,
before,
甚至,句中都找不到一個’曾經(jīng)‘這個詞,而是用
used to do ,
過去時,完成時來表達您舉的那個例句He is the tallest boy I have ever met，我覺得換成have never done也說得通啊，能舉一個用have never done的例句嗎，謝謝！This is something I have never done in any of my books. I have never done a romantic film before. ' I came home and I have never done anything like it since.