You want to see some red shoes.
You are looking at two sweaters,a pink one and a green one. You want to try on the green sweater.
You don't understand what the sales assistant said.
You don't know what time it is.
You want to pay by credit card.
You want the sales assistant to bring a size 7.
You are looking at two dresses, a red one and a blue one. You want to try on the blue dress.
Could I try on the green sweater, please?
Can I pay by credit card, please?
Could you repeat that, please?
Could you tell me the time, please?
Could I see some red shoes, please?
Can I try on the blue dress, please?
Could you bring a size 7, please?