Complete the sentences about yourself with the correct conditional.​

1) the pet shop is on the opposite side of the street. 2) in old Russia you could see only wooden houses in cities and towns. 3) A cathedral is the most important church on some territory. 4) the old castle stands on the hill, you can see it from faraway. 5) there are a lot of beautiful buildings in Moscow and st. Petersburg. 6) there a ligh buildings on the two sides of the road . 7) the summer Garden is famous for its beautiful white marble statues. 8) they built a new supermarket in the city centre last month.

В предложении модальный глагол 'do'(does) появляется, если оно вопросительное. В отрицательном - don't(doesn't). В утвердительном предложении ни do, ни does, ни don't, ни doesn't не нужен.
You like me. You don't like me. Do you like me?

Теперь о различии do, don't и does, doesn't
Do и don't употребляется, если подлежащее является местоимением I, You, We, They или словом, которое можно заменить одним из этих местоимений. I like you. You like me. We like you. They like you. Do they like you? 
Do people(they) like you? и т.д.

Does и doesn't употребляется, если подлежащее является местоимением He,
She, It или словом, которое можно заменить одним из этих местоимений. Does he like you? He doesn't like you. Does Alice(she) like you? Alice doesn't like you. и т.д.