3предложения на времена past simple, past cont., present perfect

I didn't do my homework.PS
I was walking with my friend.PC
She has been in London.PP

He brought his arm yesterday.
They bought new car at last Sunday.
She cut her finger yesterday.

She was cooking the cake at Monday
I was watching TV yesterday
They were reading the book at last week

I have never been in London
She has already done her homework
They have not bought new bag in AliExpress yet