I saw my mom at home instead when she should have been at the Bank. She had a plan to go to the Bank. She told me that she was going to the Bank.
Actualy i want to ask her about her plan in second sentence
What she is doing at home when she had planed to go to bank
Should I say:
"What you are doing here. you had to go to bank, hand't you?"
"What you are doing here. you were to go to bank, weren't you?"
Or should I say some thing else?