PAST SİMPLE or PRESENT PERFECT:

1.We _____ (never to visit) another country before.

2.She _____ (to buy) a new car in 2011.

3.I'm sorry, but I ______ (to forget) my homework.

4. _____ (to win) the game of chess?

5.The girls _____ (not to eat) their lunch yet.