Underline the verbs
1/If I knew the answer, I would tell you.
2/ He will see the doctor if he has a temperature.
3/ If she were rich, she could buy a house.
4/ She will fly to New York if she earns a lot of money.
5/ Unless you leave immediately, I will call a policeman. If ....
not
6/ If she doesn't read the novel, she won't pass the literature test.
7/ I would learn Russian if I had some spare time.