You should have come here five minutes ago. 2. You him about it. 你本来就应该告诉他这件事.3.

1. You should have come here five minutes ago.
__________________________________
2. You____him about it.
   你本来就应该告诉他这件事.
3. should have done的否定形式_____
    They________(leave) without saying goodbye.
    他们本不应该不辞而别.

试题答案

1. 你本应该5 分钟之前到这.；
2. should have told,
3. shouldn't have done; shouldn't have left