请指出该语句中的错误:The students have copied all new word

问题描述:

请指出该语句中的错误:The students have copied all new word
请指出该语句中的错误:
The students have copied all new words just now.

The students copied all new words just now 这是正确的句子!
just now是过去时时间状语,have copied是现在完成时谓语动词.二者矛盾!必须改掉其一.