6、语+has/have./No,主语+hasn’t/haven’t..............八、瞬间动词和延续性动词之间的转换:在完成时中,一个瞬间动词不能直接与表示一段时间的状语(for,since等)连用。此时须将该瞬间动词改为延续性动词或状态动词:buy (bought)have / has had 买 borrow (borrowed)have / has kept 借 die (died)have / has been dead 死 leave (left)have / has been away ( from ) 离开 begin (began)h
7、ave / has been on 开始 join (joined)have / has been in 参加 go (went)have / has been there / in 去 come/arrive/reach/get tohave / has been here / in 来/达 end (ended)have/has been over结束例:The film began five minutes ago. ---The film has been on for five