2) If they did not wear pullovers in the mountains, it would be too cold during the night.
3) If Tony knew her phone number, he would not give it to Frank.
4) If we did not visit this museum, you would not write a good report.
5) If it was not so late, we would play a game of chess.
6) If Jeff did not like Jessica, he would not buy her an ice-cream.
7) If I were you, I would not go to Eric's party.
8) If you dropped this bottle, it would not break.
9) If she did not bully her classmates, she would have more friends.
10) If he did not print the document, I would not correct it.