1, was→were

2, had→have

3, worked→work

4, you didn't→didn't you

5, use to hated→used to hate

6, be→∅

7, readed→read

1. My friend and I was at the hairdresser's yesterday.

→ were

2. My sister in law used to had long hair but now she has short hair

→ have

3, Did your father worked in a tobacco factory before he retided?

→ work

4.Why you didn't come to the meeting lask week ?

→ didn't you

5.My best friend and I use to hated each other when we first met.

→ used to hate

6. Was Anna be successful with her project last week?

→ successful

7. Yesterday morning I readed several chapters of the book "the little prince".

→ read