2) If I ( knew ) the answer, I (would not tell ) you!
3) If a friend ( did ) something wrong, ( would you/tell ) anyone?
4) I (would be) really surprised if Danny ( broke ) his promise. He's a very loyal person.
5) If you (were not be ) so secretive, perhaps we (would be able to ) help you.
6) What (would you/do ) if someone ( had ) a heart attack?
7) If you (did not shout ) so loudly, people (would not get ) so angry with you!
8) If you ( had to ) speak in front of hundreds of people, (would you/feel ) nervous?