Question

Answer the following questions using Past Subjunctive.
What would you have done if…
1. … you had left your key at home? 2. … a friend of
yours had fallen ill? 3. … you had not entered the university?
4. … you had not passed your last examination? 5. … you had
not made all the necessary arrangements for the party? 6. …
you had been deceived by your best friend? 7. … you had had a
chance to come on a short visit to England last year? 8. … you
had known your friend was in trouble? 9. … a friend of yours
had caught cold and had high temperature? 10. … a friend of
yours had had some business to talk over with you?