UC知道请告诉我，选B 的原因
来源：百度知道 编辑：UC知道 时间：2024/06/01 15:01:43
A：Peter didn't come to the meeting this morning?
B:I____him yesterday ,but I was too busy and forget.
A should tell B should have told
C had to tell D had told
答案是B，请告诉我原因
B:I____him yesterday ,but I was too busy and forget.
A should tell B should have told
C had to tell D had told
答案是B，请告诉我原因
虚拟语态，原本应该告诉的，但事实没有告诉。
should have done 是虚拟语态,表示本应该做却未做.
是虚拟语态，句子的意思是说：我本来昨天应该告诉他的，但因为太忙而忘了。说话的时间是现在，而说的是昨天要做的，所以用should have told 。
我昨天应该告诉他,但是我太忙了就给忘了.
should have done:表示应该做但没有做的事情.
虚拟语态,
表示本来应该要做的事,但是却没有做
昨天我本来应该告诉他的,但是由于太忙而忘记了