have后加什么词性

　　Prices have risen alarmingly.

　　价格涨得吓人。

　　Building costs have nosedived.

　　建筑费用猛跌下来。

　　Prices have fallen dramatically.

　　价格突然暴跌。

　　They have failed lamentably.

　　他们的失败让人惋惜。

　　Attitudes have changed radically.

　　态度发生了根本的变化。