i went to the park yesterday.用who 提问要不要加did

问题描述:

i went to the park yesterday.用who 提问要不要加did
谁昨天去公园了是不是who did go to park yesterday?

这句话的意思是我昨天去了公园.如果要对“我”提问的话,就应该是问谁昨天去了公园?就是:Who went to the park yeserday?