Question

Ребята помогите!
В общем 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?

Answer 1

2) And started read.
4) been
5) I'll go
6) cleaned