i didn't know how i could do things for myself before.从句中事态不受前面助动词影响吗

来源：学生作业学帮网 编辑：学帮网 时间：2024/05/26 22:38:31

i didn't know how i could do things for myself before.从句中事态不受前面助动词影响吗

did'nt是助动词,它的作用只限于know,how引导的宾语从句不在其限定范围内