lost是瞬間動詞還是延續性動詞

1、 lost是瞬間動詞也叫結束性動詞。

2、現在完成時中結束性動詞不能和表示表示延續性的介詞for和since連用。

3、 I have lived in Beijing for twenty years.I have had the book for two has been dead for five English teacher has lost her book.