1. 词性差异
- threaten:原型动词(及物/不及物)
例:The storm threatens to destroy the crops.
(暴风雨可能摧毁农作物)
- threatened:
a) 动词过去式/过去分词
例:He threatened to resign yesterday.
(他昨天威胁要辞职)
b) 形容词"受到威胁的"
例:threatened species(濒危物种)
2. 语法功能
threaten作谓语动词时:
- 及物用法:threaten sb. with sth.
(以某事威胁某人)
- 不及物用法:thr ...(以上内容有节略,please sign in for more)