目前还没有人能有把握地说日本最近的灾难是打破其长期的通缩所需的动力.谢谢，能分析下句子成分么！No one 主语 can say 谓语（ yet with any confidence）修饰说后面是宾语从句 whether Japan's recent disasters will be the kick the country needed to break out of its long period of deflation. 这个从句中 whether是否 Japan's recent disasters 主语 will be the kick 谓语和宾语 the country needed to break out of its long period of deflation. 宾补，修饰the kick