Вобщем в предложениях есть ошибки и их нужно найти вот предложения: 1)loran haven't come from school yet. 2)the children had opened their books and started reading. 3)betty will sent an e-mail letter to her friend in five minutes. 4)have you ever be to london? 5)i going to france next summer. 6)why haven't you cleaning the blackboard yet?
4) been
5) I'll go
6) cleaned