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Inside each tower there is a spiral staircase of 300 steps and two elevators, taking at once 30 people. One lift is for lifting, the other for descent. But these ways of traveling over the bridge turned out to be invoices, and the inhabitants of the city refused to use them - in 1910 the flight of the upper tier was closed, as people preferred to wait for the bridge's summary
1. Sally helps her mother about the house every day. - Present Simple
(тут просто переписываешь своё предложение, это и есть Present Progressive)
Sally has helped her mother about the house yet - Present Perfect
2. Bob makescoffee every afternoon. - Present Simple
Bob is making coffee now. - Present Progressive
Bob has already made coffee. - Present Perfect
3. I often read the English fairy tale. - Present Simple
I am reading the English fairy tale. - Present Progressive
(ну а тут само предложение переписываешь, это и есть Present Perfect)