harbinger的现在进行时怎么写？

n.预言者，预兆vt.预告，充做…的前驱...

harbinger的音标：harbinger的英式发音音标为：['hɑ:bɪndʒə(r)]harbinger的美式发音音标为：['hɑrbɪndʒə(r)]...

The crow of the cock is a harbinger of dawn.鸡啼报晓.The cuckoo is a harbinger of spring.布谷鸟预告春天的来临.The cock is the harbinger of dawn.雄鸡报晓....

harbinger的第三人称单数（三单）为：harbingers...

The cock is the harbinger of dawn.雄鸡报晓.The crow of the cock is a harbinger of dawn.鸡啼报晓.The November air stung my cheeks, a harbinger of winter.11月的空气刺痛了我的脸颊，预示着冬天就要来临。The cuckoo is a harbinger of spring.布谷鸟预告春天的来临.Money...

harbinger的现在完成时为：harbingered...

harbinger的一般过去时为：harbingered...

harbinger的复数形式为：harbingers...