30 написать диалог продавца книг и покупателя на языке

Hello, can i help you? -hello, i want to buy a book -do you want to see the fairy tales or detectives? -detectives, p lease-ok,  detectives are there -thank you!   i want to buy this one -it's 20  dollars -here you are!

Теп  he works with a programme.  he is working   he has worked   he has been working  прош he worked with  he was working   he had worked  he had been working  будущ  he will work  he will be working  he will have worked  he will have been working  будущ в прошедшем  he would work  he would be working  he would have worked  he would have been working  he looks at her  he is looking at her  he has looked at her  he has been looking at her  he looked at her he was looking at her  he had looked at her  he had been looking at her  he will look at her  he will be looking at her  he will have looked at her  he will have been looking at her  he would look at her  he would be looking at her  he would have looked at her  he would have been looking at her  не знаю, нужны ли предложения с would (future-in-the past), написала на всякий случай