You sang a song yesterday. - Ty zaśpiewałeś/łaś wczoraj piosenkę.
Did you sing a song yesterday?
Mary bought a computer game yesterday. - Mary kupiła wczoraj grę komputerową.
Did Mary buy a computer game yesterday?
We slept in a tent in a forest. - My spaliśmy w namiocie w lesie.
Did we sleep in a tent in a forest?