exercise 1
2 were
3 sets up
4 hadn't dropped
5 don't charge
6 would run
7 would have shot
8 had
exercise 2
2 If you leave your laptop on all night, it overheats.
3 If Maria had signed into her account, she would have seen the email.
4 If Penny's PC wasn't too old, she could play some of the new games on it.
