I,Complete the second sentence so that it has a similar meaning to the first :
1, I usually stayed up late to watch football matches last year, but now I don't
=> I used .......
2, There were some trees in the field, but now there aren't any
=> There used........
3, Tam doesn't type as fast as she used to
=>Tam used .........
4, They will show the time machine to the public when they finish it
=> The time machine.......