Past - Present - Future
When did people travel by horse and carriage?
a) in the next few years b) about 100 years ago c) these days
About 100 years ago, people used to travel by horse and carriage.
When might doctors find a cure for the flu?
a) Nowadays b) In the next 50 years c) A few years ago
Doctors might find a cure for the flu in the next 50 years.
When did the first man go to the moon?
a) Sometime in the future b) Today c) About 50 years ago
The first man went to the moon about 50 years ago.