Диалог на тему: shopping используя как можно больше слова: must, could, can, should

seller: hello. can i help you?

you: i must buy black shoes.

seller: so these shoes.

you: how much?

seller: 20 $

you: but i only have   17 $

seller: sorry, we couldn't help you

you: but i should buy these shoes. these present for my brother.

seller: so for these we can doing salle. you can buy these shoes for 17 $

you: thank you very much. you help me.

seller:   please, come again.

you: bay, good luck. 

kindly, shyly, coldly, angrily, wonderfully, madly, cheaply, slowly, softly, really.

my mother is a doctor . she goes to work and treats children .