I didn't know whether we.(help)the farmer pick apples that afternoon.为什么填would help 而不填 helped?我感觉填后者也不错啊?

I didn't know whether we.(help)the farmer pick apples that afternoon.为什么填would help 而不填 helped?我感觉填后者也不错啊?
I didn't know whether we.(help)the farmer pick apples that afternoon.
为什么填would help 而不填 helped?我感觉填后者也不错啊?

I didn't know whether we.(help)the farmer pick apples that afternoon.为什么填would help 而不填 helped?我感觉填后者也不错啊?
因为这是相对主句中的谓语动词didn't know （过去）来说将要发生的动作,所以用过去将来时,动词形式为：【would+ 动词原形】
请在客户端右上角评价点“满意”即可,

那就句意不通了吧
我知道那天下午我们是否要帮助农民们摘苹果，过去将来时