rapidly没有动词。

adv. 迅速地很快地立即

Crime figures are rising rapidly.

犯罪数字正在迅速上升。

Her health was declining rapidly.

她的健康状况迅速恶化。

The cells began to divide rapidly.

细胞迅速分裂。

She was blinking her eyes rapidly.

她一直在快速地眨眼。

Today's hits rapidly become old hat.

今日红极一时的东西，很快就会过时。

rapidly的动词

become rapidly become是动词，在语法规则中，修饰动词的词只能是副词形式，而rapid是形容词形式，rapidly是副词