Last Friday, a judge told Sally that she will go to prison if she spends one more night in her home, because she makes so much noise.请问这个宾语从句中,主语过去时,而从句为什么没用过去对应的时态呢?
Although he can somehow present challenges for me,I don't know if he could have presented the challenge for me to continue on to this season.could have presented在这里是什么时态?如果换成can have presented呢?